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Question 1 of 5: Solve each equation:
$$20^{-4x}- 6=91$$
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A
$$x \approx -1.1261$$
B
$$x \approx -0.3818$$
C
$$x \approx -0.4967$$
D
$$x \approx -1.1437$$
E
$$x \approx -2.7315$$
Question 2 of 5: Solve each equation:
$$-4 \cdot 19^{3x + 3}+ 2=97$$
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A
$$x \approx - 0.04$$
B
No Solution
C
$$x \approx - 0.0223$$
D
$$x \approx 0.0041$$
E
$$x \approx 9.6128$$
Question 3 of 5: Solve each equation:
$$10 \cdot 14^{5x + 3}+ 5=91$$
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A
$$x \approx -0.1375$$
B
No Solution
C
$$x \approx -0.1696$$
D
$$x \approx -0.4131$$
E
$$x \approx -0.4369$$
Question 4 of 5: Solve each equation:
$$e^{8x}\cdot e^{2x}=e^{20}$$
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A
No Solution
B
$$x \approx 3.1795$$
C
$$x=4$$
D
$$x=2$$
E
$$x \approx -2.0157$$
Question 5 of 5: Solve each equation:
We will use the formula for continuous compound interest: A = Pert. If money is invested in a savings account that is compounded continuously at 7% annual interest, how long will it take for the investment to triple in value?
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
About 9.32 Years
B
About 8.22 Years
C
About 15.69 Years
D
About 20.18 Years
E
About 9.45 Years

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