Answer:
The average rate of change from 2 < x < 3 is -3.
Step-by-step explanation:
f(2) = 13
f(3) = 10
Answer:
Claire = 30 stickers
Josh = 60 stickers
Ann = 67 stickers
Step-by-step explanation:
Let
Claire stickers= x
Josh = 2x
Ann= 2x + 7
Total stickers = 157
Total stickers = Claire stickers + Josh stickers + Ann stickers
157 = x + (2x) + (2x+7)
157 = x + 2x + 2x + 7
157 = 5x + 7
Subtract 7 from both sides
157 - 7 = 5x + 7 - 7
150 = 5x
Divide both sides by 5
150/5 = x
30 = x
x = 30
Claire stickers= x
=30 stickers
Josh = 2x
= 2(30)
= 60 stickers
Ann= 2x + 7
= 2(30) + 7
= 60 + 7
= 67 stickers
Claire = 30 stickers
Josh = 60 stickers
Ann = 67 stickers
<h3>
Answer: Choice B</h3>
Explanation:
The general template of a sine function is
y = Asin(B(x-C))+D
The value of B is the only thing that determines the period T. We ignore every other term.
It turns out that T = 2pi/B which can be solved to B = 2pi/T
Plug in the given period of T = 8pi and compute to get
B = 2pi/T
B = (2pi)/(8pi)
B = 2/8
B = 1/4
This means that the term out front of the x is 1/4 and the equation must be 
which matches with answer choice B.
So your goal is to set it equal to Y, so you have to start by subtracting k and you get t-k, then you have to get rid of the fraction by multiplying both sides by the denominator (n), so then you get n(t-k) and the only thing left is to divide by the e, and you get 4
Answer:
Step-by-step explanation:
Given ⇒⇒⇒ a(x)=50-1.25x
a(x) be the amount of money remaining on Hillary's gift card.
x number of apps purchased on her phone
∴ a(12) = 50 - 1.25 * 12 = 35
Which mean : She have amount of total money = 50
she purchased 12 apps costs 12 *1.25 = 15 . So , she spent 15
The remaining on Hillary's gift card = 50 - 15 = 35
The correct answer is :
a(12) =35 .
This means that purchasing 12 apps , Hillary has $35 left
