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schepotkina [342]
3 years ago
7

Given f (x) = 2x^2 -3x + 5, find f (-4)

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
6 0
Below is my answer :)

bogdanovich [222]3 years ago
4 0
-1=x is the answer I’m pretty sure
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When a number is tripled and 8 is subtracted from the result, the answer is 16. What is the number?
ivann1987 [24]

N(3)-8=16

add 8 to both sides

3n=24

Divide each side by three

n=8


6 0
3 years ago
(3x + 5)(3x – 6)<br> 18x – 6<br> 9x² – 3x - 30<br> 9x? 334 – 30<br> 6x - 1
8090 [49]

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3 years ago
What is the equation of a line that has a y-intercept of 4 and an x-intercept of -2?​
Furkat [3]

Answer:

y = 2x + 4

Step-by-step explanation:

Two points on this line are (-2, 0) and (0, 4).  Going from the first to the second, x increases by 2 (this is the 'run') and y increases by 4 ('rise').

Thus, the slope of this line is m = rise / run =  4/2 = 2

Using the slope-intercept formula, we get y = mx + b = 2x + b

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y = 2x + 4

6 0
3 years ago
Is (-2,-6) a solution of y &lt; 7x + 8?​
mojhsa [17]

Answer:

not a solution

Step-by-step explanation:

y < 7x + 8

Substitute (2-,-6) into the inequality

-6 < 7(-2) +8

-6 <-14+8

-6 <-6

This is not true because they are equal not less than

6 0
4 years ago
Read 2 more answers
A graph of a quadratic function is shown below.
stira [4]

Answer:

d. (10,800)

Step-by-step explanation:

Vertex appears to be at x = 10

Vertex: (10,800)

6 0
4 years ago
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