Find all x-intercepts of the function.f(x) = (2x - 6)2 + 2(2x - 6) - 15
A. (- 
, 0), (
, 0)
B. (
, 0), (- 
, 0)
C. (- 
, 0), (- 
, 0)
D. (
, 0), (
, 0)
Answer: D
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Find the equation in slope-intercept form of the line satisfying the conditions.m = - 
; y-intercept (0, 8)
A. y = 
x + 8
B. y = - 
x + 8
C. y = 
x - 8
D. y = - 
x - 8
Solve.Let g(x) = x2. Find a such that f(a) = 9.
A. -3 B. -3, 3 C. 3 D. 9
Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 cos t, y = -2 sin t; 0 ? t ? 2?
A. 4x2 - 25y2 = 100; x ? 5
B. 4x2 + 25y2 = 100; -5 ? x ? 5
C. 4x2 - 25y2 = 1; x ? 
D. 4x2 + 25y2 = 1; - 
? x ? 
A piece of machinery valued at $24,000 depreciates at a rate of 10% yearly. How long will it take until it has a value of $12,000? Please round the answer to the nearest tenth.
A. 8.9 years B. 11.9 years C. 9.9 years D. 6.9 years E. 5.9 years