Evaluate.Find (f/g)(-5) given f(x) = 5x - 2 and g(x) = 4x2 + 14x + 2.
A.
B.
C. -
D.
Answer: C
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷
A. 21
B. 37
C.
D. 7
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).f(x) = -2 cos 7x ; g(x) = cos x
A. Horizontal shrink by a factor , vertical stretch by a factor of 2, reflection across x-axis
B. Horizontal shrink by a factor , vertical stretch by a factor of 2, reflection across y-axis
C. Horizontal shrink by a factor , vertical stretch by a factor of 7, reflection across y-axis
D. Horizontal stretch by a factor 7, vertical stretch by a factor of 2, reflection across x-axis
A boy is riding a scooter whose wheels are 5 inches in diameter. If the wheels rotate at 550 rpm, find the speed at which he is traveling in mi/h.
(a) 6.6 mi/h (b) 5.5 mi/h (c) 9.3 mi/h (d) 11 mi/h (e) 8.2 mi/h
Find an equation for the line. Then write your answer in the form Through (-3, 0) and (3, -5)
A. y = x -
; 5x - 6y - 15 = 0
B. y = x -
; -3x + 8y + 31 = 0
C. y = - x -
; -3x - 8y - 31 = 0
D. y = - x -
; 5x + 6y + 15 = 0