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Over [174]
1 year ago
15

ANSWERS ASAP PLEASEEE

Mathematics
1 answer:
Lorico [155]1 year ago
7 0
Y = 4x - 9

I hope this helps
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Find f(g(x)) and g(f(x)) 1. F(x) = X²-3x+1 g(x)=5x-7
Mariana [72]

We are given the following functions

\begin{gathered} f(x)=x^2-3x+1 \\ g(x)=5x-7 \end{gathered}

Let us first find f(g(x)

Substitute x = 5x - 1 into the function f(x) and simplify

\begin{gathered} f(g(x))=(5x-7)^2-3(5x-7)+1 \\ f(g(x))=(25x^2-2\cdot5x\cdot7+49)^{}-15x+21+1 \\ f(g(x))=25x^2-70x+49^{}-15x+22 \\ f(g(x))=25x^2-70x-15x+49+22 \\ f(g(x))=25x^2-85x+71 \end{gathered}

Now let us find g(f(x))

Substitute x = x² - 3x + 1 into the function g(x) and simplify

\begin{gathered} g(f(x))=5(x^2-3x+1)-7 \\ g(f(x))=5x^2-15x+5-7 \\ g(f(x))=5x^2-15x-2 \end{gathered}

Therefore, f(g(x) and g(f(x)) are

\begin{gathered} f(g(x))=25x^2-85x+71 \\ g(f(x))=5x^2-15x-2 \end{gathered}

5 0
1 year ago
An airplane takes off 12.5 miles south of a city and flies due north at a constant speed of 170 miles per hour. What is the plan
Zina [86]
The airplane takes off 12 1/2 miles south of a city
Speed =180*3/4
=45*3
=135
135-12.5
The plane is 122.5 miles north to the city after 45 minutes
5 0
3 years ago
A 5 -ounce can of tuna cost $0.90. A 12- ounce can of tuna cost $2.40. which is the better buy?
pentagon [3]
The 5 -ounce can. You can buy 3 5 oz cans for $2.70 which is 15oz
8 0
3 years ago
Find the slope and the y-intercept of each line from it's equation.<br><br> 3x-y=28
Otrada [13]
<span> 
Slope = 3 
 
x-intercept = 28/3 = 9.33333<span> 

y-intercept = 28/-1 = -28.00000

Hope this helped</span></span>
7 0
3 years ago
Can somebody answer this question for me?
xxMikexx [17]
The opposite inner angles equal the outer one
(3x+5) = 2x + 30
x = 25

(3*25)+5
TSQ = 80 
3 0
3 years ago
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