3 years ago

If f(x) = 5x + 40, what is f(x) when x = -5? оооо

1 answer:

8 0

I think it’s 15..
cause you replace the x with -5 and solve the problem

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skelet666 [1.2K]

Step-by-step explanation:

f°g= $f(g(x))$

$g(x)=x^2-6x$

$f(x)=1/x$

$f(g(x))=$ $\frac{1}{x^2-6x}$

if the denominator is zero the number is undefined which makes it not in the domain of the function

set $x^2-6x$ equal to 0

the values for x is 0 or 6

so the only value that is not in the domain of f°g is 0 and 6

Hope that helps :)

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2 years ago

Damm [24]

The answer 5 (1/4) because if you add 1 and a quarter to it then that would make it 6 and a half

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3 years ago

WARRIOR [948]

Answer:

the prize is 8.00 for 1 pound

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3 years ago

anygoal [31]

A is the correct answer. When put into calculator, the decimals ends.

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3 years ago

Alex_Xolod [135]

Your answer is c, hope this helps, ask me any questions if needed+

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3 years ago