3 years ago

What is (f - g)(x)? f(x) = -2x + 4 g(x) = -x2 + 4x + 5

Mathematics

1 answer:

kipiarov [429]3 years ago

8 0

Step-by-step explanation:

$( - 2x + 4) - ( - {x}^{2} + 4x + 5) = {x }^{2} - 6x - 1$

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Step-by-step explanation:

We need to solve the inequality: $-3q+12\geq 4q-30$ and find value of q

Solving:

$-3q+12\geq 4q-30\\Adding\,\,-12\,\,on\,\,both\,\,sides:\\-3q+12-12\geq 4q-30-12\\-3q\geq 4q-42\\Adding\,\,-4q\,\,on\,\,both\,\,sides:\\-3q-4q\geq 4q-42-4q\\-7q\geq -42\\Divide\,\,both\,\,sides\,\,by\,\,7\\\frac{-7q}{7}\geq \frac{-42}{7}\\ -q\geq -6\\Multiply\,\,both\,\,sides\,\,by\,\,-1\,\,and\,\,reverse\,\,the\,\,inequality:\\q\leq 6$

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Keywords: Solving inequality

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