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Amanda [17]
3 years ago
13

Given: f(x) = x - 7 and h(x) = 2x + 3

Mathematics
1 answer:
alexgriva [62]3 years ago
7 0

Answer:

  h(f(x)) = 2x -11

Step-by-step explanation:

h(f(x)) = h(x -7) = 2(x -7) +3 . . . . . use f(x) as the argument for function h

  = 2x -14 +3 . . . . . . . eliminate parentheses; next, combine terms

h(f(x)) = 2x -11

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A rectangular photograph has an area of 65 square inches. If the length of the photo is 3 inches less than twice it's height, fi
tankabanditka [31]
A = L * H
A = 65
L = 2H - 3

65 = H(2H - 3)
65 = 2H^2 - 3H
-2H^2 + 3H + 65 = 0
(-Hh + 13)(H + 5) = 0

-2H + 13 = 0
-2H = -13
H = -13/-2
H = 6.5 <== height is 6.5 inches

H + 5 = 0
H = -5....this wont work because it is negative

L = 2H - 3
L = 2(6.5) - 3
L = 13 - 3
L = 10 <== length is 10 inches


4 0
3 years ago
Answer this question please
astraxan [27]

Answer:

6

Step-by-step explanation:

add 2 each time

3 0
3 years ago
Read 2 more answers
Slope of (5,1) and (2,7)
Iteru [2.4K]

Answer:

-2

Step-by-step explanation:

Slope formula:

    ↓

\frac{Y_2-Y_1}{X_2-X_1}=\frac{Rise}{Run}

Y_2=7\\Y_1=1\\X_2=2\\X_1=5\\

\frac{7-1}{2-5}=\frac{6}{-3}=\frac{6\div-3}{-3\div-3}=\frac{-2}{1}=-2

<em>Therfore the slope is -2.</em>

<em />

<em>-2 is the correct answer.</em>

<em />

<em>I hope this helps you, and have a wonderful day!</em>

4 0
3 years ago
Read 2 more answers
Asap<br> Select the correct answer.<br> Which function has a restricted domain?
german

Step-by-step explanation:

Check second one

\\ \rm\Rrightarrow k(x)=(-x+3)^{\frac{1}{2}}

  1. 1/2 means square root

\\ \rm\Rrightarrow \sqrt{(-x+3)}

So

\\ \rm\Rrightarrow -x+3>0

\\ \rm\Rrightarrow -x>-3

\\ \rm\Rrightarrow x

Hence.

Domain is restricted

Option B is correct

8 0
3 years ago
liz has 4 candy bars.She wants to split them among 5 friends: Suzie, Joe, Fred, Marta and Julieta. If each person get the same a
sergij07 [2.7K]
Each one have 0.8 candy bar.

5 0
3 years ago
Read 2 more answers
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