The answer is b. The 2 will make it stretched vertically.
Answer:

Step-by-step explanation:
a reciprocal is a number that when multiplied by a given number gives 1 as product.
16 * x = 1
x = 1/16
9/10 * x = 1
x = 10/9
Answer:
10
Step-by-step explanation:
if
a= base 1 (1.5)
b= base 2 (3.5)
h= height (4)

Answer:
initial value is 15
growth factor is 1.25
Step-by-step explanation:
we are given
The number of members f(x) in Joe's health club
increased by 25% every year over a period of x years
The function below shows the relationship between f(x) and x as

now, we can compare it with exponential function

where
a is the initial value
b is growth factor
we can compare and find 'a' and 'b'

So,
initial value is 15
growth factor is 1.25
we know that
x is time
so, it can never be negative
f(x) is number of chambers
so, f(x) can not be negative
now, we can draw graph
and we get as
8x=15+9
8x÷8=24÷8
x=3
you are going to divide 8 by 8 which will cancel each other and you will left with x and divide 24by 8 which will give you 3