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3 years ago

F(x)=2x+1 and g(x)=x2-7, find (f+g)(x)

Mathematics

2 answers:

SOVA2 [1]3 years ago

5 0

Answer:

x^2 +2x -6

Step-by-step explanation:

f(x)=2x+1

g(x)=x^2-7,

(f+g)(x) = 2x+1 + x^2 -7

Combine like terms

= x^2 +2x -6

ss7ja [257]3 years ago

4 0

f (x) = 2x + 1

g (x) = x² - 7

(f+g) (x) = 2x+1 + x² - 7

Adding like terms

⇛ x² + 2x - 6

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How to do this problem??

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We know that the sum of the inner angles of any triangle is 180º

72º + (7x + 3)º + (3x + 5)º = 180º
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The sum of the external angle (9y + 1)º with inner angle (3x + 5) = 180 °, <span>Replace the measure of "x" found:
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9yº = 180º - 1º - 30º - 5º
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