Solve Exponential

Solve for x:
4^2x + 1 = 17

• x = 1

• x = -1

• x = 2

• x = -2

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x

• y=6(1+14)^x

• y=6(1.14)^x

• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x

• y=30(5000)^x

• y=5000(1.3)^x

• y=5000x^x

Tags

CCSS.HSF.LE.A.2

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

• 14327

• 4309

• 839

• 7680

Tags

CCSS.HSF-LE.A.1C

If $1,000 is invested at 16% interest, compounded continuously, for five years, what is the ending balance?

• $1,225,54

• $2,225.54

• $22,255.40

• $225.54

Solve:
16^x-3 = 8^x-3

• 9

• -3

• 0

• 3

Solve for n:
2³ⁿ = 4

• 2

• 3

• 2/3

• 4

Tags

CCSS.HSF.LE.A.4

What values of b make an exponential growth function?

• b > 0

• b <1

• b > 1

• 0 < b < 1

Tags

CCSS.HSF-IF.C.8B

What values of b make an exponential decay function?

• b > 0

• b < 1

• b > 1

• 0 < b < 1

Tags

CCSS.HSF-IF.C.8B

Solve:
3^x-2 = 27^4x

• -2/11

• -2/3

• 2/11

• 2/3