3 years ago

Common Core Literacy

Mathematics

1 answer:

Genrish500 [490]3 years ago

8 0

Answer:

21x-28

Step-by-step explanation:

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10- 5- -10 -5 5 10 -10- What is the equation

SOVA2 [1]

Answer:

-30

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Need help understanding this problem please

faust18 [17]

f(g(x)) is a composite function:

$f(g(x))=f(\sqrt{x+5})=2\sqrt{x+5}-1$

Plug in x = 4:

$f(g(4)) = 2\sqrt{4+5}-1=2\sqrt9-1=2\cdot3-1=\boxed{5}$

so the answer is C.

7 0

3 years ago

If f(x)=x^2-7 and h(x)=7x-5, then f(h(2))=

zaharov [31]

We are given 3 equations. Using these equations we can find f(h(2)).

h(x)=7x-5
h(2)=7(2)-5
h(2)=14-5
h(2)=9

f(x)=x^2-7
f(h(2))=(7x-5)^2-7
we know the answer for h(2) by now, so we can substitute for that.
f(9)=9^2-7
f(9)=81-7
f(9)=74

so f(h(2))=74

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Chuge%7B%7B%5Cmathfrak%7Bquestion%E0%BF%90%7D%7D%7D" id="TexFormula1" title="\huge{{\mathfra

kramer

Answer:

Step-by-step explanation :

$\sqrt{ \frac{243}{3} }$