Mid-Chapter Quiz
Graph each function. Compare to the parent graph. State the domain and range.
1. ANSWER: stretched vertically;
D = {x|x ≥ 0},
R = {y|y ≥ 0}
2. ANSWER: vertical stretch of
D = {x|x ≥ 0},
R = {y|y ≤ 0}
and reflection across the x-axis
3. ANSWER: compressed vertically;
D = {x|x ≥ 0},
R = {y|y ≥ 0}
eSolutions Manual - Powered by Cognero
4. Page 1
Mid-Chapter Quiz
3. ANSWER: compressed vertically;
D = {x|x ≥ 0},
R = {y|y ≥ 0}
4. ANSWER: translation down 3;
D = {x|x ≥ 0},
R = {y|y ≥ −3}
5. ANSWER: translation right 1;
D = {x|x ≥ 1},
R = {y|y ≥ 0}
eSolutions
Manual - Powered by Cognero
6. ANSWER: Page 2
Mid-Chapter Quiz
6. ANSWER: Stretched vertically and translated right 2;
D = {x|x ≥ 2},
R = {y|y ≥ 0}
, where A is the area of the
7. GEOMETRY The length of the side of a square is given by the function
square. What is the length of the side of a square that has an area of 121 square inches?
A 121 inches
B 44 inches
C 11 inches
D 10 inches
ANSWER: C
Simplify each expression.
8. ANSWER: 10
9. ANSWER: 10. ANSWER: 11. ANSWER: eSolutions Manual - Powered by Cognero
12. Page 3
ANSWER: Mid-Chapter Quiz
12. ANSWER: 13. SATELLITES A satellite is launched into orbit 200 kilometers above Earth. The orbital velocity of a satellite is
given by the formula
. v is velocity in meters per second, G is a given constant, mE is the mass of Earth,
and r is the radius of the satellite’s orbit in meters.
a. The radius of Earth is 6,380,000 meters. What is the radius of the satellite’s orbit in meters?
b. The mass of Earth is 5.97 × 1024 kilograms, and the constant G is
where N is in Newtons. Use the formula to find the orbital velocity of the satellite in meters per second.
ANSWER: a. 6,580,000 m
b. about 7779 m/s
14. Which expression is equivalent to
?
F G H 2
J 4
ANSWER: G
Simplify each expression.
15. ANSWER: 16. ANSWER: 17. ANSWER: eSolutions Manual - Powered by Cognero
18. Page 4
16. ANSWER: Mid-Chapter Quiz
17. ANSWER: 18. ANSWER: 19. ANSWER: 20. ANSWER: 60
21. ANSWER: 22. GEOMETRY Find the area of the rectangle.
ANSWER: Solve each equation. Check your solution.
23. ANSWER: 5
24. ANSWER: 38
25. ANSWER: −1
eSolutions Manual - Powered by Cognero
26. ANSWER: Page 5
25. Mid-Chapter
Quiz
ANSWER: −1
26. ANSWER: 4
27. ANSWER: 5
28. ANSWER: 3
29. GEOMETRY The lateral surface area S of a cone can be found by using the formula
the radius of the base and h is the height of the cone. Find the height of the cone.
, where r is
ANSWER: about 12.5 in.
eSolutions Manual - Powered by Cognero
Page 6