Question 1

solve for x:       $3^{x-4}\ =\ 9$

Accepted Answer

6

Answer

no solution

Answer

2

Answer

-2

Question 2

Solve for x: $2^{x\ -\ 1}\ =\ 2^{3x\ +\ 7}$

Accepted Answer

-4

Answer

2

Answer

3

Answer

1

Question 3

solve for x: $4^{x\ -\ 3}\ \cdot\ 4^{2x\ +7}\ =\ 4^{x+12}$

Accepted Answer

4

Answer

6

Answer

-2

Answer

-4

Question 4

solve for x:  $\left(\ \frac{1}{27}\right)^{x+1}\ =\ 3^{x+1}$

Accepted Answer

-1

Answer

0

Answer

2

Answer

1

Question 5

Solve for x:  $4^{x-5}\ =\ 20$

Accepted Answer

$\log_4\left(20\right)+5$

Answer

$\log_4\left(25\right)$

Answer

no solution

Answer

$\log_{20}\left(4\right)\ +5$

Question 6

solve for x: $2\cdot5^{x+3}\ =\ 120$

Accepted Answer

-0.456

Answer

2.512

Answer

-0.222

Answer

-0.921

Question 7

Solve for x: $e^{2x\ +\ 1}\ +8\ =\ 48$

Accepted Answer

1.344

Answer

2.97

Answer

0.674

Answer

0.301

Question 8

A savings account earns 3.5% interest compounded quarterly. If you initially deposit $200, which equation shows the amount of money you will have in the account after 5 years?

Accepted Answer

$A\ =\ 200\left(1+\frac{0.035}{4}\right)^{4\left(5\right)}$

Answer

$A\ =\ 200\left(1+\frac{0.035}{20}\right)^{4\left(5\right)}$

Answer

$A\ =\ 200\left(1.035\right)^5$

Answer

$A\ =\ 200\left(1+\frac{0.35}{4}\right)^{4\left(5\right)}$

Question 9

The population of a town is growing continuously at 0.88%.  If the population was 24 thousand in 2002, predict the population in 2022

Accepted Answer

28,619

Answer

139,498

Answer

28,596

Answer

28,617

Question 10

A hospital uses the formula below to determine how much of a certain medicine is remaining in the bloodstream after t hours.  At what rate is the medicine leaving the bloodstream? $A\left(t\right)=125\left(0.64\right)^t$

Accepted Answer

36%

Answer

1.64%

Answer

64%

Answer

1.25%

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