Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. x15
B. 
C. x3
D. x5
Answer: C
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Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If Jessica can type 48 words per minute, estimate the number of words she can type in one hour.
Fill in the blank(s) with the appropriate word(s).
Find an equation of the line tangent to the given curve at the point (a, f(a)). f(x) = e2x, a = 0
A. y = 2x + 2 B. y = x + 1 C. y = 2x + 1 D. y = 2e + 1
Solve. Round to the nearest percent if necessary.Enrollment in a class at a local college increased from 190 to 304. What was the percent of increase?
A. 160% B. 60% C. 114% D. 38%
Find the x- and y- intercepts. If there are no intercepts write "No x-intercept" or "No y-intercept".x = 4
A. No x-intercept, No y-intercept B. (-4, 0), No y-intercept C. No x-intercept, (0, 4) D. (4, 0), No y-intercept