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Reil [10]
3 years ago
5

Solve the following system of equations using substitution.

Mathematics
1 answer:
stira [4]3 years ago
4 0
It is A maybe use your calculator
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What is the area of this parallelogram?
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Step-by-step explanation:

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If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
aksik [14]

Answer:

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Step-by-step explanation:

Hello there! Lets get started solving this function!

For a function, whenever we see f(x) = ... , the function is simply asking the value of the equation at x! So, if replace f(x) with f(-2), we simply substitute x with -2 in the equation! Lets get started!

f(x) = -7x + 5x^{2} + 10\\f(-2) = -7(-2) + 5(-2)^{2} + 10\\f(-2) = 14 + 20 + 10\\f(-2) = 44\\

First, we can write the original function. Next, we substitute in -2 for x. Then, we find our final terms. Finally, we are given that f(-2) = 44.

Hope this helps! Remember, math is fun!

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