Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.3(x - 1) = 16
A. {2.68}
B. {3.52}
C. {1.52}
D. {6.33}
Answer: B
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 4 and x = 8 using the midpoint sum with four rectangles of equal width.
A. 149 B. 165 C. 174 D. 126
Find a rational zero of the polynomial function and use it to find all the zeros of the function.f(x) = 3x4 - 28x3 + 102x2 - 148x + 39
A. {3, - 
, 2 + 3i, 2 - 3i}
B. {-3, 
, 3 + 2i, 3 - 2i}
C. {3, 
, 3 + 2i, 3 -2i}
D. {-3, - 
, 2 + 3i, 2 - 3i}
The loudness, measured in decibels, of a bird call has a Uniform(45, 52) distribution. Find the probability that the loudness is between 47 and 51 decibels.
What will be an ideal response?
If the following is a polynomial function, then state its degree and leading coefficient. If it is not, then state this fact.f(x) = 5x-3 - 14
A. Degree: 3; leading coefficient: 5 B. Degree: -3; leading coefficient: 5 C. Degree: 5; leading coefficient: -3 D. Not a polynomial function