Evaluate.7x - 4 for x = - 
A. - 
B. - 
C. -18
D. 
Answer: A
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Provide an appropriate response.If a ? 0, 
is called the reciprocal of a. Use this definition to express the reciprocal of 
in the form 
Fill in the blank(s) with the appropriate word(s).
Find the phase shift of the function.y = -3 cos (4x + ?)
A. 3? units to the right
B. 
units to the left
C. 4? units to the right
D. 
units to the left
Pick the best choice by estimating. Do not measure. For metric measurements, do not attempt to convert to the U.S. system. The hardest part of the transition to the metric system is the transition to thinking in metrics.The perimeter of a dollar bill is about __________ (6, 46, 18) in.
Fill in the blank(s) with the appropriate word(s).
Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = ln(x + 8) - ln(x - 8)
A. ?; (8, ?); ? B. ?; ?; (8, ?) C. ?; (-?, 8); ? D. ?; ?; (-?, 8)