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Slav-nsk [51]
3 years ago
15

F(x)=2x f(3) Use the following function rule to find

Mathematics
2 answers:
saw5 [17]3 years ago
7 0
F(3) = 2(3)

=6

Plug the 3 into the x
vovangra [49]3 years ago
4 0

Step-by-step explanation:

Given

f(x) = 2x

f(3) = 2 * 3 = 6

Hope it will help):)

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Scott runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?
Alika [10]

Answer:

5.6 miles

Step-by-step explanation:

7 / 80 = 0.0875 (How many miles per min)

0.0875 * 64 = 5.6 miles

5 0
3 years ago
Which of the following statements would be correct to use when proving that limx→4(3x−4)=8?
Fudgin [204]

Answer:

Option c

Step-by-step explanation:

given that limit x tending to 4 of the function (3x-4) is 8

This implies for all values of x such that for epsilon >0 arbitrary small ,

||x-4||, we get

|f(x)-8|<3epsilon

this is equivalent to the option c.

Proof:

Consider

||x-4||

Hence it follows that option C is right.

3 0
3 years ago
Write as an equation: Sara spent $2 more than Lauren, and together they spent $19.
kupik [55]

Answer:

Equations:

a + b = 19

a = b + 2

a = Money that spent Laura

b = Money that spent Laureen

then:

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2b = 17

b = 17/2

b = 8.5

a = b + 2

a = 8.5 + 2

a = 10.5

Check:

10.5 + 8.5 = 19

5 0
4 years ago
What is the difference between -2^2 and (-2)^2
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