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Chapter P Test Name___________________________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Simplify the expression. Assume that the variables in the denominator are nonzero. x-3 y4 -3 1) y4x-5 -4 2) 1) (2x3 )2 z 5 2z7 2) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Find the center and radius of the circle. 3) (x - 4)2 + (y - 1)2 = 49 A) (4, 1), r = 7 B) (-4, -1), r = 49 C) (1, 4), r = 7 Use interval notation to describe the interval of real numbers. 4) x is greater than or equal to -2 and less than or equal to 2. A) [-2, 2] B) [-2, 2) C) (-2, 2) D) (-1, -4), r = 49 D) (-2, 2] Solve the problem. 5) A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 160 ft/sec, and the gorge is 384 ft deep, during what interval can the flare be seen? (h = -16t2 + vot + ho.) A) 12 < t < 14 B) 4 < t < 6 C) 0 < t < 4 1 D) 8 < t < 10 3) 4) 5) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Write the product in standard form. 6) (7 + 8i)(7 - 5i) 6) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the sum or difference in the standard form a + bi. 7) i2 + 5 - 2 + i3 A) 2 + i B) 6 - i C) 2 - i 7) D) 6 + i Write the expression in standard form. 8+ i 8) -6 - 2i A) - 5 1 - i 4 4 B) 8) 1 i 4 C) - 5 4 D) - 5 1 + i 4 4 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Find the distance between the points. 9) (6, -6) (4, -2) 9) Find a slope-intercept form equation for the line. 10) Through the points (2, 6) and (-2, 9) 10) 2 Determine the equation of the line described. Put answer in the slope-intercept form, if possible. 11) Through (-8, -5), parallel to 7x + 6y = -32 12) Through (7, -6), perpendicular to -3x - 7y = 21 11) 12) Use a method of your choice to solve the equation. 13) 4x - 7 = 4 13) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 14) x-4 =3 x+5 A) x = - 14) 11 2 B) x = - 15 2 C) x = 15) x2 - 1 = x + 8 A) x = 0 C) x = -3.04 or x = 3.04 11 2 D) x = - 19 2 15) B) x = -3.54 or x = 2.54 D) x = -2.54 or x = 3.54 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Solve the equation. 16) x2 + x + 6 = 0 16) 3 Write the expression in the form bi, where b is a real number. 17) -245 17) Solve the inequality algebraically. Write the solution in interval notation. 18) 8x + 1 < 11 18) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the inequality. Use algebra to solve the corresponding equation. 19) x2 - 4x - 5 < 0 A) (- , -1) B) (-1, 5) C) (- , -1) (5, ) 19) D) (5, ) SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 20) x2 - 5x 20) -6 4 Name:_________________________ Chapter 1 Review Packet / Study Guide Find the domain of the given functions and write in interval notation. 1) f(x) = √ 2) f(x) = √ √ √ 3) f(x) = Use the graphs or equations to find the local maxima and minima, and the intervals which are increasing, decreasing, or constant. 4) 5) 4) ____________________________________ 5)_________________________________________ 6) f(x) = 4 1 8) f(x) = 6 2 7) f(x) = |2x+5|+|2x 7| 14 7)_________________________ 8)_________________________ 6)_________________________ Graph the function and determine where the point of discontinuity is (write as “x =”). If there is a discontinuity, tell whether it is removable or non‐removable. 9) f(x) = 10) f(x) = 11) f(x) = 9)_________________________ 10)_________________________ 11)_________________________ | | 12) f(x) = 13) f(x) = 14) f(x) = 12)_________________________ 13)_________________________ 14)_________________________ Find the asymptote(s) of the given function. Write asymptotes as “x =” or “y =” 16) f(x) = 15) ______________________ 18) ______________________ 15) f(x) = 17) f(x) = 16)____________________ 17)_______________________ 19) f(x) = 20) f(x) = 19)____________________ 20)_______________________ 23) f(x) = 23)_______________________ 18) f(x) = Find the inverse of the following functions. 22) f(x) = √2 21) ______________________ 22)____________________ 21) f(x) = 2 3 3 Find the inverse of the following functions. 24) f(x) = 25) f(x) = 24) ______________________ 25)____________________ 26) f(x) = 26)_______________________ Perform the requested operations given the functions below: a(x) = 7x + 14 b(x) = 4x – 1 c(x) = 3x + 2 d(x) = x‐1 e(x) = 28) g(h(x)) 29) a(h(‐0.5)) 30) e(f(x)) f(x) = g(x) = h(x) = √ 27) c(b(x)) Determine if the following functions are even, odd, or neither. 31) f(x) = 6 32) f(x) = 33) f(x) = 33) f(x) = 5x + 17 2 Evaluate the piecewise function, f(x), for the given values of x. 34) f( ‐2) 35) f( 0.5) 37. Graph the piecewise function from #34 to 36, f(x), below: 36) f(6) Evaluate the piecewise function, k(x), for the given values of x. 38) k( ‐2) 39) k( 0.5) 41. Graph the piecewise function for #38 to 40, k(x), below: 40) k(0)