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olga55 [171]
3 years ago
15

Can someone help please?!?

Mathematics
1 answer:
Over [174]3 years ago
3 0

Thanks 4 deleting my answer

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If f(x) = 2x2 + 3x and g(x) = x – 2, what is (f + g)(2)?
Trava [24]

\text{Solve the expression}\\\\\text{First, add the expressions together:}\\\\2x^2+3x+x-2\\\\2x^2+4x-2\\\\\text{Plug in 2 to x:}\\\\2(2)^2+4(2)-2\\\\\text{Solve:}\\\\2(2)^2+4(2)-2\\\\2(4)+4(2)-2\\\\8+8-2\\\\16-2\\\\14\\\\\boxed{\text{Answer: B).14}}

5 0
3 years ago
Find the area of the shaded region.
Lyrx [107]
1)
Area of bigger rectangle
A = (x+1)(x+1) = x^2 + 2x + 1

2)
Area of smaller rectangle
A = 5(x - 7) = 5x - 35

3)
The difference:
(x^2 + 2x + 1) - (5x - 35)
= x^2 + 2x + 1 - 5x +35
= x^2 - 3x + 36

area of the shaded region = x^2 - 3x + 36
6 0
4 years ago
Read 2 more answers
121. Nina has just taken out a car loan for $12,000. She will pay an annual interest rate of 3% through a series of monthly paym
Andrei [34K]

Answer:

(1.0025ⁿ)² + 3.7124×(1.0025ⁿ) - 5.3124 = 0

Step-by-step explanation:

Nina will have saved the enough money to pay off the remaining balance on the loan when the functions are the same. So

f(x) = g(x)

86248 - 74248(1.0025)ⁿ = 20000(1.005)ⁿ - 20000

we sum 20000 on each side of the equation

106248 - 74248(1.0025)ⁿ = 20000(1.005)ⁿ

then we divide by 2000 each side of the equation

5.3124 - 3.7124(1.0025)ⁿ = 1.005ⁿ

the square root of 1.005 is aproximately 1.0025, so

1.005 ≈ 1.0025²

5.3124 - 3.7124(1.0025)ⁿ = (1.0025²)ⁿ

Since (1.0025²)ⁿ = 1.0025²ⁿ = (1.0025ⁿ)² we can write:

(1.0025ⁿ)² + 3.7124(1.0025ⁿ) - 5.3124 = 0

7 0
3 years ago
Look at screenshot if you answer correct I will mark brainliest help now.
Alexxx [7]

Answer:

Step-by-step explanation:

point-slope form: y-y₁=m(x-x₁)

x₁= -5

y₁= 3

m= 5

y-3=5(x+5)

4 0
3 years ago
Find the x and y intercept of each linear equation then graph the equation 4x+y=-8
Marat540 [252]

Answer:

x-intercept:  ( − 2 , 0 )

y-intercept:  ( 0 , − 8 )

Step-by-step explanation:

5 0
3 years ago
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