Find the absolute value of the complex number.z = 4
A. 4
B. 4i
C. 16
D. 2
Answer: A
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Provide an appropriate response.What is the percent efficiency (E) of an engine if the input (I) is 20,000 calories and the output (P) is 6,200 calories? Use the formula: E = 
.
A. 0.69 B. 0.45 C. 2.23 D. 1.45
Express f(x) in complete factored form.f(x) = x2 + 16
A. f(x) = (x + 4i)(x - 4i) B. f(x) = (x + 4)2 C. f(x) = (x + 4i)2 D. f(x) = (x + 16i)(x - 16i)
Solve the problem.This chart shows the fees for an 18 hole round of golf for each of the last 5 years at a local municipal golf course. Assume that this chart defines a function with the name of f. State the range of f.
A. {(22, 1995), (24, 1996), (25, 1997), (25, 1998),(30, 1999)} B. {1995, 1996, 1997, 1998, 1999} C. {22, 24, 25, 30} D. {(1995, 22, (1996, 24), (1997, 25), (1998, 25),(1999, 30)}
Graph each using translations or reflections.y = -cos(-x)
A. 
B. 
C. 
D. 