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seropon [69]
2 years ago
8

Hey there, does anyone know the answer to this?

Mathematics
1 answer:
Elis [28]2 years ago
6 0
What type of grade and what type of question is tht it looks weird
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F(x)=x^2-7 and h(x)=7x-5, then f(h(2))= ?
ziro4ka [17]
<h3>Answer:    74</h3>

==================================================

Work Shown:

h(x) = 7x-5

h(2) = 7(2)-5

h(2) = 14-5

h(2) = 9

f(h(2)) = f(9)

f(x) = x^2-7

f(9) = 9^2-7

f(9) = 81-7

f(9) = 74

f(h(2)) = 74

-----------

Here's a slightly alternative approach:

f(x) = x^2 - 7

f(h(x)) = ( h(x) )^2 - 7

f(h(x)) = ( 7x-5 )^2 - 7

f(h(2)) = ( 7*2-5 )^2 - 7

f(h(2)) = ( 14-5 )^2 - 7

f(h(2)) = ( 9 )^2 - 7

f(h(2)) = 81 - 7

f(h(2)) = 74

7 0
2 years ago
Original price - $82. Percent of discount-?? Sale price - $65.60
emmasim [6.3K]
To determine a percentage difference, simply divide the difference of the two numbers by the original. For instance, 82-65.60=16.4 16.4 is 20% of 82, so the discount is 20% (16.4/82)
3 0
3 years ago
The total price of a shirt and a cap is $11. If the price of the shirt was doubled and the price of the cap was three times its
shusha [124]

Answer:

the shirt is 8 dollars and the cap is 3

Step-by-step explanation:

This is because 8 times 2 is 16 which is the new price of the shirt then 3 times 3 is 9 which would be the new cap price and 16 plus 9 is 25

4 0
2 years ago
Plzzz help me i can not find it nowhere
ratelena [41]

Answer: D. 50

Step-by-step explanation:

the sum of opposite angles of a cyclic quadrilateral are always 180 degrees

80 +2x= 180

2x= 180 - 80

x= 100/2

x= 50

6 0
2 years ago
$89.79 scooter; 7 1/4% tax.
SCORPION-xisa [38]

Tax = 7 1/4% = 29/4

After tax, it would be, 89.79 + 89.79*29/4*100 = 89.79 + 2589.41/400

 = 89.79+6.47 = $96.26

3 0
3 years ago
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