2 years ago

Add the polynomials (4x + 3)+(2x+7) pls hurry

Mathematics

2 answers:

Anton [14]2 years ago

6 0

The answer is 8x^2+34x+21

Eva8 [605]2 years ago

4 0

Answer:

Go to MathPapa.com it will help you with finding your answer

Step-by-step explanation:

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an angle measures 78 degrees more than the measure of a complementary angle. What is the measure of each angle?

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2 years ago

Find the inverse of the function. f(x) = 7x + 8

lana66690 [7]

Answer:

$\frac{x-8}{7}$

Step-by-step explanation:

A way to find the inverse function is to swap the x and y (f(x)) in the equation.

$y = 7x + 8\\x = 7y + 8\\x-8 = 7y\\y = \frac{x-8}{7}$

We can check that it is an inverse function by using a property of inverse functions:

$f(g(x)) = x$

If we plug in the f(x) function into the variable x of the inverse function, we should end up with x

$y = \frac{(7x + 8) - 8}{7}\\y = \frac{7x}{7} \\y = x\\$

It checks out!

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