Simplify.23 ? 72

A. 84
B. 392
C. 537,824
D. 294


Answer: B

Mathematics

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Find an equation for the line tangent to the given curve at the indicated point.y = x3 - 25x + 2 at (5, 2)

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Write the equation 4x + y + 6 = 0 in slope-intercept form.

a. y = x + 2 b. y = 2x + 3 c. y = -2x - 3 d. y = -4x - 6 e. y = 4x + 6

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Express the interval in set builder notation and graph the interval on a number line.(5.5, ?)

A. { x < 5.5}

B. { x > 5.5}

C. { x ? 5.5}

D. { x ? 5.5}

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Solve the inequality. > 

A. (-?, -21) or (4, ?) B. (-?, -21) or (-1, 4) C. (-21, -1) or (-1, 4) D. (-21, -1) or (4, ?)

Mathematics