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viktelen [127]
3 years ago
9

If f(x) = 3x + 2, what is f (5)​

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
8 0
Plug it in into f(x)= 3x+2
Basically
F(5)= (3)(5)+2
= 15+2
=17
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3 years ago
Suppose the x intercept of the graph of y=f(x) are 2 and 3. what are the x-intercepts of y=8f(x)
Yuliya22 [10]

We are given: Function y=f(x).

First x-intercept of the y=f(x) is 2.

x-intercept is a point on x-axis, where y=0.

Replacing y by 0 and x by 2 in above function, we get

0=f(2)

Second x-intercept of the y=f(x) is 3.

Replacing y by 0 and x by 2 in above function, we get

0=f(3)

We are given another function y=8f(x).

Here only function f(x) is being multiplied with 8.

That is y values of function should be multiply by 8.

Because we have y value equals 0. On multiplying 8 by 0 gives 0 again and it would not effect the values of x's.

Therefore,

x-intercepts of y=8f(x) would remain same, that is 2 and 3.

6 0
3 years ago
Does anybody know how to do this? Problem 13
inessss [21]
Subtract 6 from the x value in the first one, and remember that slope intercept form is mx+b
4 0
3 years ago
Hello, how was your day, help? ^ ^<br> solve for x
Natali5045456 [20]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

\boxed{x=100}

»»————- ★ ————-««  

Here’s why:  

  • Recall the Triangle Angle Sum Theorem: The three angles of all triangles add up to a sum of 180°.
  • We will set up an equation based on this and then solve.

⸻⸻⸻⸻

\boxed{\text{Solve for 'x':}}\\\\58 + 22 + x = 180\\-----------\\\rightarrow 80 + x = 180\\\\\rightarrow 80 - 80 + x = 180 - 80\\\\\rightarrow \boxed{x=100}

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

6 0
2 years ago
Fill in the table using this function rule. <br><br> y=-2x+3<br><br> × -2, -1, 0, 1
ycow [4]

Answer:

If x = -2, -1, 0, 1, then (In this order) y = 7, 5, 3, 1

Step-by-step explanation:

If you put in each value of "x" into the equation, you'll get the appropriate "y".

y= -2(-2)+3

y= 4+3

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y= -2(-1)+3

y= 2+3

y= 5

y= -2(0)+3

y= 0+3

y= 3

y= -2(1)+3

y= -2+3

y= 1

6 0
2 years ago
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