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Ch. 7 Sections 5 – 8
Test Form A
Name _________________________
Period # ________
#1 – 4. Solve.
1. 8 x  15 2  2 x  27 2
1
1
2. x  9 5  4
2
1. ___________ (3 pts)
2. ___________ (4 pts)
3. 2x  4 4  3  57
3
4.
x5 7  x
3. ___________ (4 pts)
4. ___________ (5 pts)
#5 – 8. Given f x   6 x 2  x  2 and g x   2 x  1 .
f
5. Find  f  g  2
6. Find (x)
g
(3 points each)
5. ______________________
6. ______________________
7. Find g ( f (2))
8. Find  f  g x
7. ______________________
8. ______________________
#9 – 11. a.) Graph the function. b.) Find the Domain and Range of the function. c.) Find the inverse
function. d.) Graph the inverse function. e.) Find the Domain and Range of the inverse. (5 points each)
9. f ( x)  2 x  4
a.) See graph
b.) D: _____________
R: _____________
c.) ________________
d.) See graph
e.) D: _____________
R: _____________
10. f  x    x  4  5
10. a.) See graph
b.) D: _____________
R: _____________
c.) ________________
d.) See graph
e.) D: _____________
R: _____________
11. f x   2 x  2  3
11. a.) See graph
b.) D: _____________
R: _____________
c.) ________________
d.) See graph
e.) D: _____________
R: _____________
#12 & 13. a.) Graph the function. b.) Find the Domain and Range of the function. (4 points each)
12. f x   3 x  2  6
12. a.) See graph
b.) D: _____________
R: _____________
13. f x   23 x  1  4
13. a.) See graph
b.) D: _____________
R: _____________
14. a.) Graph the equation. b.) Find the Domain and Range of the equation. c.) Find the inverse
relation. d.) Graph the inverse relation. e.) Find the Domain and Range of the inverse. f.) Explain why
or why not the inverse is a function or not?
(6 points)
2
y  x  3  1
a.) See graph
b.) D: _____________
R: _____________
c.) ________________
d.) See graph
e.) D: _____________
R: _____________
f.) __________________________________________________________________________________
Bonus:
15. Solve.
x6  x  2
15. __________ (Bonus 3 pts)
16. a.) Graph the function. b.) Find the Domain and Range of the function.
3
f  x    x  1  1
(Bonus 2 pts)
a.) See graph
b.) D: _____________
R: _____________