Answer:
{2/3 ; -1}
Step-by-step explanation:
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Answer:
$150012.84 or $150013 rounded
The growth factor is 1.07
Step-by-step explanation:
First create the equation:
y=1.07x+150,000
Then substitute:
y=1.07(12)+150,000
Calculate:
y=150012.84
There are 1002 metres from the top of Anthony's head to the bottom of the skyscraper
A kilometre has 1000 metres, therefore the skyscraper is 1000 metres tall
Add the height of the skyscraper (1000m) and Anthony's height (2m) and you get 1002m
1) f(0) means to find y value when x= 0
x=0, y=2, so f(0) =2
2) f(x) = 0
y=0,x=?
When y=0, x=4
3) f⁻¹(0),
This is an inverse function of f(x),
that means that for f⁻¹, that values of x become y, and values of y become x.
f⁻¹(0)
"0" is y from the graph, when y=0, x=4, so
y=0, f⁻¹(0) = 4
4) f⁻¹(x)=0,
means that on this graph we need x=0, y=2,
so f⁻¹(2)=0,
x=0
For function we had
x=0, y=2
x=4, y=0
For f⁻¹ inverse function we have (x becomes y, and y becomes x)
x=2, y=0
x=0, y=4
The answer is C. If he buys A, he gets $50 price, plus $10 worth of per pound shipping, so it is $60. For B, he pays $20 per pound worth of shipping, already with a $47 price, so it’s $67. By buying it at the store with the $5 coupon, he only pays $55.
