3 years ago

G(t) = 3t+ 4; Find g(−3)

Mathematics

1 answer:

lorasvet [3.4K]3 years ago

6 0

Answer:

t=-5

Step-by-step explanation:

-3=3t+4

-1=t+4

-5=t

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Can someone help me with my quadratics and equations questions? I need to show my work :)

Dvinal [7]

Y = x^2 +2x
y = 3x +20

so:
x^2 + 2x = 3x + 20

subtract 3x from both side:

x^2 +2x -3x = 20

combine like terms:
x^2 -x = 20

subtract 20 from each side:
x^2 -x -20 = 0

factor the polynomial:

(x-5) (x+4) = 0

solve for x
x = 5 and x = -4 ( 5-5 = 0 and -4 +4 = 0 )

replace x = 5 in 2nd equation: y = 3(5) +20
y = 15 +20
y = 35

replace x with -4 in same equation:
y = 3(-4) +20
y = -12 +20
y = 8
so solution is (5,35) and (-4,8)

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artcher [175]

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Step-by-step explanation: