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kap26 [50]
3 years ago
14

Which best describes the end behavior of y = 7x^2

Mathematics
1 answer:
lions [1.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

This is an even function (because it has an exponent that is an even number), and even functions have the end behavior of both tails going in the same direction. Because this is a positive even function, both of the tails are going up.

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If f(x) = 5x + 40, what is f(x) when x = –5? –9 –8 7 15
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find the probability of having 2,3, or 4 successes in five trials of a binomial experiment in which the probability of success i
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Write an equation of the line, in slope-intercept form, that passes through (-2, 5) and (1, -1).
djyliett [7]

Answer:

y = -2x + 1

Step-by-step explanation:

<u>Formulae:</u>

<u />

Slope: m=\frac{y_2-y_1}{x_2-x_1}\\

  • m = slope
  • y₂ = second y-value
  • y₁ = first y-value
  • x₂ = second x-value
  • x₁ = first x-value

Point-slope form: y-y_1=m(x-x_1)

  • y₁ = first y-value
  • m = slope
  • x₁ = first x-value

Slope-intercept form: y=mx+b

  • m = slope
  • b = y-intercept value

<u>Calculations:</u>

<u />

<u />m=\frac{-1-5}{1-(-2)}\\m=\frac{-6}{3}\\m=-2<u />

<u />

<u />y-5=-2(x-(-2))\\y-5=-2(x+2)\\y-5=-2x-4\\y=-2x+1<u />

4 0
3 years ago
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