The figure below shows the graph of a function y = f(x). Use this graph to solve the problem.Sketch the graph of y = 2f(x).
?
A. 
B. 
C. 
D. 
Answer: B
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Solve.An economist predicts that the buying power B(x) of a dollar x years from now will be given by the formula B(x) = 0.22x. How much will today's dollar be worth in 7 years? Round the answer to the nearest cent.
A. $0.35 B. $1.53 C. $1.54 D. $0.00
Find (a) the opposite and (b) the absolute value of the number.14.7
A. (a) -14.7 (b) -14.7 B. (a) -14.7 (b) 14.7 C. (a) 14.7 (b) -14.7 D. (a) 14.7 (b) 14.7
Write the whole number in word form.72,018
A. Seventy-two thousand, eighteen B. Seventy-two thousand, one hundred eight C. Seven thousand, two hundred eighteen D. Seventy-two hundred, eighteen
Write the equation of a line through the given points in the form 
, where A, B, and C are integers and A > 0.(-4, -7), (-4, 5)
A. y = 4 B. x = 4 C. y = -4 D. x = -4