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LiRa [457]
3 years ago
12

F(x) = 2x² + 2, find f(5).?​

Mathematics
2 answers:
gregori [183]3 years ago
7 0

Answer:

f(5) = 52

Step-by-step explanation:

f(x) = 2x^{2} + 2

We have to substitute x with 5.

f(5) = 2(5) ^2 + 2

f(5) = 2(25) + 2

f(5) = 50 + 2

f(5) = 52

Hope this helps!

Romashka-Z-Leto [24]3 years ago
3 0

Answer:

sorry if i got it wrong but i think its  22 if f5

Step-by-step explanation:

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Dan walk 51/2 times around a trail that is 21/2 miles long how far did he walk
Svetach [21]
13 1/4 miles is what I got from multiplying the distance of the trail by the amount of times he walked around it
6 0
2 years ago
A= -1, b= -5, c = -2/3 be+9c - a
hjlf

Answer:

Step-by-step explanation:

1) First step is writing the Equation out clearly

be - 9c - a

2) Substituting the given values ; a,b & C

3) -5e + 9(-2/3) - (-1)

4) -5e-5 (answer)

Since we were not given the value for e

8 0
3 years ago
Y=1/4x+7 y=1/2x+5 The y-coordinate of the solution to the system shown is _____.
Brilliant_brown [7]

Answer:

The y-coordinate of the solution to the system shown is 9

Step-by-step explanation:

y=\frac{1}{4}x+7\\y=\frac{1}{2}x+5

We need to solve these system of equations and find value of y

Let eq (1) bey=\frac{1}{4}x+7

and eq(2) be y=\frac{1}{2}x+5

Putting value of y from eq(2) into eq(1)

y=\frac{1}{2}x+5=\frac{1}{4}x+7\\\\\frac{1}{2}x-\frac{1}{4}x=7-5\\\frac{2x-x}{4}=2\\\frac{x}{4}=2\\x=2*4\\x=8

Putting value of x=8 in equation 1 to find value of y

y = \frac{1}{4}x+7

y = \frac{1}{4}(8)+7

y =2+7

y =9

So, The y-coordinate of the solution to the system shown is 9

8 0
4 years ago
Is this true or false? Pls help a dumb person out
anygoal [31]
it shows that the chart is false. Hope it helps
3 0
3 years ago
The value of a is -3
tangare [24]
1.2222222222222222222222222222222222222222 repeating
7 0
3 years ago
Read 2 more answers
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