Question
A)
Does the table represent an exponential function?
x 1 2 3 4
y –1 –8 –27 –64
(1 point)
yes
no
Does the table represent an exponential function?
x 1 2 3 4
y –1 –8 –27 –64
(1 point)
yes
no
Answers
Answer
A)
Suppose a population of 160 crickets doubles in size every month. The function f\left(x\right)=160\cdot 2^x
gives the population after x months. How many crickets will there be after 2
years?
(1 point)
2,684,354,560 crickets
640 crickets
7,680 crickets
655,360 crickets
Suppose a population of 160 crickets doubles in size every month. The function f\left(x\right)=160\cdot 2^x
gives the population after x months. How many crickets will there be after 2
years?
(1 point)
2,684,354,560 crickets
640 crickets
7,680 crickets
655,360 crickets
Answer
A)
Suppose an investment of $2,300 doubles in value every decade. The function f\left(x\right)=2,300\cdot 2^x
gives the value of the investment after x decades. How much is the
investment worth after 2 decades?
(1 point)
$2,355,200
$92,000
$46,000
$9,200
Suppose an investment of $2,300 doubles in value every decade. The function f\left(x\right)=2,300\cdot 2^x
gives the value of the investment after x decades. How much is the
investment worth after 2 decades?
(1 point)
$2,355,200
$92,000
$46,000
$9,200
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