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3 years ago

Which describes the transformations of y = f(x) that would result in the graph of y = f(-x) – 7.

Mathematics

1 answer:

coldgirl [10]3 years ago

3 0

Answer:

a reflection in the y-axis followed by a translation down by 7 units

Step-by-step explanation:

just answered it

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we have been asked to find the sum of the series

$\sum _{n=1}^5\left(\frac{1}{3}\right)^{n-1}$

As we know that a geometric series has a constant ratio "r" and it is defined as

$r=\frac{a_{n+1}}{a_n}=\frac{\left(\frac{1}{3}\right)^{\left(n+1\right)-1}}{\left(\frac{1}{3}\right)^{n-1}}=\frac{1}{3}$

The first term of the series is $a_1=\left(\frac{1}{3}\right)^{1-1}=1$

Geometric series sum formula is

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$S_5=1\cdot \frac{1-\left(\frac{1}{3}\right)^5}{1-\frac{1}{3}}$

On simplification we get

$S_5=\frac{121}{81}$

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3 years ago

Which expression is equivalent 1/3x(9y-12)

chubhunter [2.5K]

Answer:

$3y - 4$

Step-by-step explanation:

<u>Step 1: Distribute</u>

$1/3 * (9y - 12)$

$(1/3 * 9y) + (1/3 * -12)$

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