3 years ago

For f(x) = -x + 8, which statement is true?

Mathematics

1 answer:

xenn [34]3 years ago

6 0

I think it’s f(x+k) = f(x) + k correct if I’m wrong

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If f(x) = 2x² +5 and g(x)=x2-2, find (f-g)(x).

Rufina [12.5K]

Answer:D. x^2+7

Step-by-step explanation:

If f(x) = 2x² +5 and g(x)=x2-2, find (f-g)(x).A. x^2+3B. 3x^2+3C. 3x^2+7D. x^2+7

4 0

1 year ago

Solve 3 -x = 243 -5 1/5 5

Paraphin [41]

Answer:

$x=-243$

Step-by-step explanation:

The equation is

$-3^{-5}=\frac{1}{x}$

Solve for x

we know that

$-3^{-5}=-\frac{1}{3^{5}}=-\frac{1}{243}$

substitute

$-\frac{1}{243}=\frac{1}{x}$

$x=-243$

3 0

3 years ago

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What is the product of 4.5 x 6.2 ?

NeX [460]

4.5 x 6.2 = 27.9

Hope that helps

4 0

2 years ago

Find the center and radius of the circle 3 x squared plus 3 y squared plus 6 y equals 03x2+3y2+6y=0.

denis23 [38]

your answer would be 16

6 0

3 years ago

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Which of the following sets could be the sides of a right triangle?

MArishka [77]

In a right triangle the sum of the squares of the lengths of two shorter sides is equal to the square of the length of the longest side.

a.
$2^2+3^2=(\sqrt{13})^2 \\
4+9=13 \\
13=13 \\ true$

b.
$2^2+2^2=4^2 \\
4+4=16 \\
8=16 \\
not \ true$

c.
$1^2+(\sqrt{3})^2=2^2 \\
1+3=4 \\
4=4 \\
true$

The answer is A and C.

5 0

3 years ago

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