Solve the exponential equation by taking the logarithm on both sides. Use a calculator to obtain a decimal approximation, correct to four decimal places, for the solution.e4x = 2
A. 2.7726
B. 0.6931
C. 1.3591
D. 0.1733
Answer: D
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Simplify the algebraic expression by removing parentheses and combining similar terms.3(-x - 5) - 2(5x + 2) - 3(x + 3)
A. –16x - 28 B. –14x - 28 C. –14x - 24 D. 14x + 28 E. –16x - 24
Which of the following is not true about similar polygons??
A. ?If the sides are proportional and all but one of the corresponding angles are given and are equal, then the polygons can still be determined to be similar. B. ?If the sides are proportional and all but one of the corresponding angles are given and are equal, then the polygons are not necessarily similar. C. ?If the sides are proportional, but the corresponding angles are not congruent, then the polygons are not similar. D. ?If the sides are not proportional, then the polygons are not similar. E. ?a and b only.
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 3x3
A. 3x2 + 3xh + 3h2; 9x2 + 9ax + 9a2 B. 9x2 + 9xh + 3h2; 3x2 + 3ax + 3a2 C. 9x2 - 9x - 3h; 3x2 - 3ax - 3a2 D. 3x2 + 3xh + 3h2; 3x2 + 9ax + 9a2
Use the zero-exponent rule to simplify the expression.18y0
A. 18 B. 18y C. 0 D. 1