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Mashcka [7]
3 years ago
13

(f – g)(x) if f (x) = 8 and g(x) = 2x – 4?

Mathematics
1 answer:
Rina8888 [55]3 years ago
8 0
Use inverse operations
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Need help plz!! <br> match each shape with its area formula.
Triss [41]

Answer:

square= bh or s^2

rectangle= bh

triangle= 1/2 bh

Step-by-step explanation:

Make sure u know the different formulas

7 0
3 years ago
Which statement is true of the function f(x) = -3/x? Select three options.
melamori03 [73]
<h2>Answer:</h2>

We have the following function:

f(x)=-\frac{3}{x}

The graph of this function has been plotted below. So lets analyze each statement:

<h3>1. The function is always increasing. </h3><h3>False</h3>

As you can see x increases from -∞ to 0 and decreases from 0 to +∞

<h3>2. The function has a domain of all real numbers. </h3><h3>False</h3>

The function is undefined for x=0 since x is in the denominator.

<h3>3. The function has a range of {yl- </h3>

Statement is unclear but the range is the set of all real numbers except zero.

<h3 /><h3>4. The function is a reflection of y = 3. </h3><h3>False</h3>

The function is a reflection in the x axis of the function g(x)=\frac{3}{x}

<h3>5. The function passes through the point (3,-27).</h3><h3>False</h3>

This is false since:

f(3)=-1\neq -27

Note. As you can see those statements are false, so any of them is true, except item 3 that is unclear.

7 0
3 years ago
Read 2 more answers
Using the completing-the-square method, rewrite f(x) = x2 − 8x + 3 in vertex form. f(x) = (x − 8)2 f(x) = (x − 4)2 − 13 f(x) = (
S_A_V [24]

Answer:

f(x) = (x - 4)² - 13

Step-by-step explanation:

Given

f(x) = x² - 8x + 3

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² - 8x

f(x) = x² + 2(- 4)x + 16 - 16 + 3 = (x - 4)² - 13

4 0
4 years ago
Read 2 more answers
Is friction a contact force
harina [27]
Yes ,it is a contact force .Example when a ball touches de floor friction makes it go slow and makes it go up
4 0
3 years ago
Which shows the correct substitution of the values a, b, and c from the equation 0 = – 3x2 – 2x + 6 into the quadratic formula?
lbvjy [14]

Answer:

x = StartFraction negative

(negative 2) plus or minus StartRoot (negative 2) squared minus 4 (negative 3)(6) EndRoot Over 2(negative 3) EndFraction

Step-by-step explanation:

0 = – 3x2 – 2x + 6

It can still be written as

– 3x2 – 2x + 6 =0

Quadratic formula=

-b+or-√b^2-4ac/2a

Where

a=-3

b=-2

c=6

x= -(-2)+ or-√(-2)^2-4(-3)(6)/2(-3)

x = StartFraction negative

(negative 2) plus or minus StartRoot (negative 2) squared minus 4 (negative 3)(6) EndRoot Over 2(negative 3) EndFraction

8 0
3 years ago
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