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adoni [48]
2 years ago
14

Given the graph of f(x), fund the value of f(4). Options: -1, 1, 2, 4

Mathematics
2 answers:
ArbitrLikvidat [17]2 years ago
5 0

Answer:

2

Step-by-step explanation:

the y-value of an x-value of 4, according to the graph, is 2

Ede4ka [16]2 years ago
5 0

Answer:

2

Step-by-step explanation:

This question is asking you to find the value of f(x) which is really just the y-coordinate. You need to find the y-coordinate for f(4), which means when x=4. So, go to the line on the graph where x=4 and find the point that lies there. In this case, when x=4 the y-coordinate is 2. The coordinates for this point are (4,2) and can be seen on the far right side of the graph.

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Write the equation of the parabola that has the vertex at point (3,−12) and passes through the point (0,6).
lana [24]

Answer:

y = 2(x-3)^2 -12

y = -4/9(x-2)^2 +7  bonus

Step-by-step explanation:

The vertex form of a parabola is

y = a(x-h)^2 + k  where (h,k) is the vertex

y = a(x-3)^2 - 12

We have one point given (0,6)

6 = a (0-3) ^2 -12

6 = a (-3)^2 -12

6 = 9a-12

Add 12 to each side

6+12 = 9a

18 = 9a

Divide each side by 9

18/9 = 9a/9

a=2

y = 2(x-3)^2 -12

We follow the same steps for the bonus

y = a(x-2)^2 +7

Substitute the point into the equation

3 = a (-1-2)^2 +7

3 =a (-3)^2 +7

3 = 9a +7

subtract 7 from each side

3-7 = 9a +7-7

-4 = 9a

Divide by 9

-4/9 =a

y = -4/9(x-2)^2 +7

3 0
3 years ago
Read 2 more answers
A baker uses 8.5 lbs of flour daily.How many ounces of flour will he use in two weeks?
kicyunya [14]

The answer would be 1,904 because a pound is 16 ounces so 8.5 times 14 (how many days are in two weeks) which is 119. Then 119 times 16 (how many ounces are in a pound) would be 1,904. hope i am helpful :D

7 0
2 years ago
Which side lengths form a right triangle ?
True [87]

Answer:

B

Step-by-step explanation:

1^2 + 8^2 = c^2

1 + 64 = c^2

65 = c^2

√c^2 = √65

4 0
2 years ago
4. Simplify -6(3 – 5s + 12t – 2u)
Elan Coil [88]
-18 +30s -72t +12u is the answer
8 0
2 years ago
Your insurance premium is $3400 annually. Your employer pays 80% of the premium. How much will you pay annually?
pochemuha
I think it is 680 if not i am sorry
4 0
3 years ago
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