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ivolga24 [154]
2 years ago
10

5, 3.1.24 f(x) = 3x² + 5; find f(x + 3) - [f(x) + 3]

Mathematics
1 answer:
Aleks [24]2 years ago
3 0

Given that f(x) = 3x^2 + 5, we have

f(x + 3) = 3 (x + 3)^2 + 5 \\\\= 3 (x^2 + 6x + 9) + 5 \\\\= 3x^2 + 18x + 32

so that

f(x+3) - (f(x) + 3) = (3x^2 + 18x + 32) - (3x^2 + 8) \\\\= \boxed{18x + 24}

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Meghan reduced the size of a rectangle to a height of 2 inches. What is the new width if it was originally 24 inches wide and 12
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Answer:

Step-by-step explanation:

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or

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3 years ago
~Please help, 50 Points, and Brainliest if correct!~
algol13

A is the correct answer you are looking for

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Let f(x)=x2−3x−4 . What is the average rate of change from x = 7 to x = 10? Question 6 options: 24 14 66 42
Fed [463]
Just find the slope between the points

basically find (f(10)-f(7))/(10-7)

f(7)=7^2-3(7)-4=49-21-4=24
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slope=(66-24)/(10-7)=42/3=14
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Solve for x : Y=3x- 8<br> Y=-4x+6
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