Find the requested value.f(x) = 5x2 - 4, g(x) = x - 7Find (f - g)(4).
A. 79
B. 65
C. 87
D. -80
Answer: A
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Decide whether the statement makes sense. Explain your reasoning.Your argument has no fallacies, so your conclusion must be true.
What will be an ideal response?
Simplify the expression using the order of operations.
A. 1
B. 
C. 
D. 2
Four players (A, B, C, and D) agree to divide a cake fairly using the lone divider method. The table below shows how each player values each of the four slices that have been cut by the divider.
Which of the following is a fair division of the cake?
A. A gets s2; B gets s1; C gets s3; D gets s4. B. A gets s3; B gets s1; C gets s4; D gets s2. C. A gets s2; B gets s4; C gets s3; D gets s1. D. A gets s3; B gets s2; C gets s4; D gets s1. E. none of these
Simplify the expression.
A. -sin x B. cos2x C. sin 2x D. -cos x