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MatroZZZ [7]
3 years ago
5

Can someone explain and tell me the answer? WILL MARK BRAINLEST!

Mathematics
1 answer:
Finger [1]3 years ago
6 0
it’s day time for you? for me it’s 3:39 am!!!!! very oddd
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Let f(x) = x2 − 3x − 7. Find f(−3).
elena55 [62]

Answer:

f(-3) = 11

Step-by-step explanation:

To evaluate f(-3), substitute x = - 3 into f(x)

⇒ f ( − 3 )  =  ( − 3 )^ 2  −  3 ( − 3 )  −  7

= 9 + 9 − 7 = 11

hope this helps

sorry if wrong

#Virgo2007

4 0
3 years ago
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Which statement describes the graph of f(x) = 4x2 + 20x + 25?
Montano1993 [528]
This  is a perfect square  parabola
 f(x) = (2x + 5)^2 

the graph will be a parabola opening upwards and will touch the x-axis at x = -2.5
8 0
3 years ago
Read 2 more answers
For the triangle shown below, complete the following table.
dem82 [27]

Answer:

Step-by-step explanation:

In the given triangle

With reference angle A

perpendicular (P) = 3

hypotenuse (h) = 5

So  sin A = p/h = 3/5

and

With reference angle C

perpendicular (p)=  4

hypotenuse (h) = 5

Sin C = p/h = 4/5

hope it helps :)

3 0
3 years ago
mai has 36$ to spend on movie tickets each movie ticket cost 4.50$ how many ticket can she buy multiplication problem
-Dominant- [34]

Answer:

8

Step-by-step explanation:

Mai has $36 and each movie ticket is $4.50.

You wanna divide 36 by 4.50 to find out how much tickets she can purchase which is 8.

6 0
2 years ago
3x-6y=6 in function notation
JulijaS [17]
Subtract 3x from both sides:

-6y = -3x + 6

divide both sides by -6 to get y by itself:

y = 1/2x - 1

function notation is rewriting y as a function:

f(x) = 1/2x -1
3 0
3 years ago
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