Solve the problem.Andy has 37 coins made up of quarters and half dollars, and their total value is $13.50. How many quarters does he have?
A. 25 quarters
B. 17 quarters
C. 20 quarters
D. 19 quarters
Answer: C
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Write in exponential form. 0 = log47 1
A. 047 = 1 B. 147 = 0 C. 470 = 1 D. does not exist
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = -x2 - 4x - 9
A. (-2, -5) B. (2, -21) C. (2, -13) D. (-4, -9)
Which equation matches the given calculator-generated graph and description? Decide without using your calculator.
Center (0, 0); vertical transverse axis
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
- 
= 1
The graphs of two polynomials p and d are shown in the figure. p is represented by the solid line and d is represented by the dashed line. If f = 
, (a) find the domain of f, (b) find the x-intercepts of f, and (c) sketch the graph of f.
A. (a) (-?, 3) ? (3, 4) ? (4, ?)
(b) (0, 0)
(c)
B. (a) (-?, -3) ? (-3, 4) ? (4, ?)
(b) (0, 0)
(c)
C. (a) (-?, -3) ? (-3, 4) ? (4, ?)
(b) (0, 0)
(c)
D. (a) (-?, 3) ? (3, 4) ? (4, ?)
(b) (0, 0)
(c)