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Zielflug [23.3K]
3 years ago
12

What statement is true about f(x)=2x

Mathematics
1 answer:
inna [77]3 years ago
5 0

Answer:

Subtract

2

x

from both sides of the equation.

f

(

x

)

−

2

x

=

0

Step-by-step explanation:

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Find the value of the expression.<br> c²b<br> for b = 5 and c = 3
kicyunya [14]

Answer:

45

Step-by-step explanation:

c^2*b

We know that c is 3, and b is 5, so we can substitute them in

3^2*5

Solve the exponent first

9*5

Multiply

45

7 0
3 years ago
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I need to solve this equation for my homework, I'm not good with frations and work would be useful 1/4(x-8)=3/4x
Ahat [919]
No problem sir or maam.x=-4
7 0
3 years ago
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What is the surface area of a pyramid with a base of 16 and a height of 20
Lemur [1.5K]

Answer: 256 feet

Step-by-step explanation:

Base Surface Area =  162

=  256 feet2

Lateral Surface Area =  

2×16× √

( 16 )2 + 202

2

=  689.30109531322 feet2

Total Surface Area = 945.30109531322 feet2

8 0
3 years ago
My teacher likes to give me stuff I haven’t learned
TEA [102]

Answer:

42 I think

Step-by-step explanation:

4 0
2 years ago
The relationship shown is linear. Write the equation of the line in slope intercept form (y=mx+b).
slega [8]

Answer:

y=mx+b                Example:

Graph the equation

y−2x=1

rewrite in slope-intercept form

y=2x+1

Identify the slope and the y-intercept

m = 2 and b = 1

Plot the point corresponding to the y-intercept, (0,1)

picture23

The m-value, the slope, tells us that for each step to the right on the x-axis we move 2 steps upwards on the y-axis (since m = 2)

picture24

And once you have your second point you can just draw a line through the two points and extend it in both directions.

picture25

You can check to see that the line you've drawn is the correct one by substituting the coordinates of the second point into the original equation. If the equation holds true than the second point is correct.

Our second point = (1, 3)

y−2x=1

3−2⋅1=3−2=1

Our second point is a solution to the equation i.e. the line we drew is correct.

A line that passes through the origin has a y-intersect of zero, b = 0, and represents a direct variation.

y=mx

In a direct variation the nonzero number m is called the constant of variation.

You can name a function, f by using the function notion

f(x)=mx+b

f(x) is another name for y and is read as "the value of f at x" or "f of x". You can use other letters than f to name functions.

A group of functions that have similar characteristics are called a family of functions. All functions that can be written on the form f(x) = mx + b belong to the family of linear functions.

The most basic function in a family of functions is called the parent function. The parent function of all linear functions is

f(x)=x

Step-by-step explanation:

5 0
3 years ago
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