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3 years ago

Find the product. Simplify. (a + 1)(a –5)=

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

4 0

Answer:

$(a + 1)(a - 5) \\ {a}^{2} - 5a + a- 5 \\ {a}^{2} - 4 a- 5$

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Mult. f(x) = x^4 by 2 will stretch the graph vertically by a factor of 2.
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4 years ago

please help! functions and relations. f(x)= square root of x-4. find the inverse of f(x) and it’s domain.

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$\:D.\text{ }f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge-4$

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We have the following equation:

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The inverse is the following (we calculate it by replacing f(x) by x and x by f(x)):

$\begin{gathered} x=\sqrt{f^{-1}(x)}-4 \\ \\ \sqrt{f^{-1}(x)}=x+4 \\ \\ f^{-1}(x)=(x+4)^2 \end{gathered}$

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