It's an exponential so we rule out the first one.
It increases with increasing x, so the base must be bigger than one; rule out the second choice.
It looks like (1,10) and (2,100) are on the graph, so that's the third choice,
If Mr. Phillips bought 1 3/4 pounds of raspberries, who bought more fruit, Ms. Winn or Mr. Phillips?
1 answer:
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Inverse
replace f(x) wih y
solve for x
replace x with f⁻¹(x) and y with x
so
f(x)=3x+5/7
replace
y=3x+5/7
solve for x
minnus 5/7 both sides
y-5/7=3x
divide both sides by 3
=x
replace with f⁻¹(x)
f⁻¹(x)=
replace f(x) wih y
solve for x
replace x with f⁻¹(x) and y with x
so
f(x)=3x+5/7
replace
y=3x+5/7
solve for x
minnus 5/7 both sides
y-5/7=3x
divide both sides by 3
replace with f⁻¹(x)
f⁻¹(x)=
Answer:(c)
Step-by-step explanation:
Given
The initial value of Adam's model is
the value increases exponentially with the rate of
Time period
Final amount
Exponential growth is given by
Putting values
Option (c) is correct