Find the domain.f(x) = 
A. {x? x is a real number and x ? -4}
B. {x? x is a real number and x ? 4}
C. All real numbers
D. {x? x is a real number and x < 4}
Answer: B
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Solve for x using an equivalent exponential expression.An equilateral triangle has a side length of 2.4 ft. Find its perimeter.
A. 9.6 ft B. 7.2 ft C. 4.8 ft D. not enough information given
Determine the values of x for which the given linear approximation is accurate to within 0.07 at a = 0.
tan x ? x a. –0.19 < x < 0.28 b. –0.57 < x< 0.57 c. 0.06 < x< 0.68 d. –1.04 < x < 1.55 e. –0.71 < x < 0.48
Find the inverse of the function.f(x) = log(x + 5)
A. f-1(x) = 10x - 5 B. f-1(x) = 10x - 5 C. f-1(x) = x - 5 D. f-1(x) = 10x + 5
Without using a graphing calculator, match the graph with its equation. h(x) = -2.7(0.3)x
A. 
B. 
C. 
D. 