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Yanka [14]
3 years ago
5

Variable definition?

Mathematics
1 answer:
kkurt [141]3 years ago
5 0
The number beside the letter . for example 6x, 6 would be the variable
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What is the function rule of the line parallel to y = 2x + 7 that passes through the point (-3,5)?
kykrilka [37]

Answer:

y = 2x + 11

Step-by-step explanation:

Parallel means the two lines have the same slope. The slope = 2 because the two is in front of the x. Whatever number is in front of the x is the slope.

So far what you know is

y = 2x + b

The point (-3,5) is what you need to get b.

y = 2x + b

y = 5

x = - 3

5 = -3(2) + b

5 = -6 + b

b = 5 + 6

b = 11

============

Equation

y = 2x + 11

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3 years ago
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Anna71 [15]
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Find the sum: −11−7−3+1+⋯+225
Oksana_A [137]

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205

Step-by-step explanation:

4 0
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Pls help this is worth 50 points
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Step-by-step explanation:

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3 years ago
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(a) if g(x) = 3x + 1 and h(x) = 9x2 + 6x + 7, find a function f such that f ∘ g = h. (think about what operations you would have
QveST [7]
Let's say that f(x) = ax^2 + bx + c

if f(g(x)) = 9x^2 + 6x + 7:
a(3x + 1)^2 + b(3x + 1) + c = 9x^2 + 6x + 7
9ax^2 + 6ax + a + 3bx + b + c = 9x^2 + 6x + 7
Comparing the two equations, we can see that a = 1, b = 0 and c = 6, therefor f(x) = x^2 + 6
4 0
3 years ago
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