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Marta_Voda [28]
3 years ago
10

Find the value of the expression 3q - 6 when q = -2

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0
-12. 3(-2)= -6 -6-6=-12 :)
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If f(x) = -7x + 5x2 + 10, what does f(-2) equal?
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Answer:

f(-2) = 44

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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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