Evaluate the expression with the given replacement values.
; x = -4
A. 
B. - 
C. 
D. - 
Answer: C
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Describe the curve represented by the equation. Identify the type of curve and its center (or vertex if it is a parabola).
- 
= 1
A. Ellipse, (5, 0) B. Parabola, (0, 5) C. Hyperbola, (0, -5) D. Hyperbola, (-5, 0)
Decide whether or not the functions are inverses of each other.f(x) = 3x + 9, g(x) = 
x - 3
A. Yes B. No
Solve the problem.If a projectile is fired with an initial velocity of v = 600 feet per second at an angle of 
with the horizontal, it will follow a parabolic path described by 
Graph the path of the projectile and determine to the nearest foot the x-coordinate when the maximum height occurs.
A. 8618 ft B. 7 ft C. 29 ft D. 4309 ft
Find the nth term an of the geometric sequence.8, -16, 32, -64, 128, . . .
A. an = (8)(-2)n B. an = (8)(-2)n-1 C. an = (8)(-2n) D. an = a1 - 2n