Estimate the percentage.50% of 2,460
A. 1,250
B. 6,150
C. 615
D. 246
E. 123
Answer: A
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Solve the problem.Suppose that the accompanying table shows the velocity of a car every second for 8 seconds. Use the Trapezoidal Rule to approximate the distance traveled by the car in the 8 seconds. Round your answer to the nearest tenth if necessary.
A. 162 ft B. 221.5 ft C. 145.5 ft D. 291 ft
Evaluate the expression for x = -2, y = 3, z = -4.11 - z2
A. 19 B. 88 C. -5 D. 27
The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D = {x|x ? -1}, R = {y ? 0};
f-1(x): D = {x|x ? 0}, R = {y|y ? -1}
C. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
D. f(x): D is all real numbers, R = 
;
f-1(x): D = 
, R is all real numbers
Find f'(x) for the function, then find f'(x) for the given x.g(x) = 3x2 - 4x, g'(3)
A. g'(x) = 6x; g'(3) = 18 B. g'(x) = 3x; g'(3) = 9 C. g'(x) = 6x - 4; g'(3) = 14 D. g'(x) = 3x - 4; g'(3) = 5