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navik [9.2K]
3 years ago
8

Find gf(2) if f(x)=2x+1,g(x)=3x-2

Mathematics
1 answer:
natali 33 [55]3 years ago
5 0

Answer:

13

Step-by-step explanation:

To find g f(2) , evaluate f(2) and substitute the value obtained into g(x)

f(2) = 2(2) + 1 = 4 + 1 = 5 , then

g(5) = 3(5) - 2 = 15 - 2 = 13

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Function P is defined as P (x) = x ^2 . Explain why P (2) + P (3) isn't equal to P (5) .
diamong [38]

Answer:

P(x) = x + 2

Piden: A = P(P(P(P(3))))

P(3); x = 3

P(3) = 3 + 2 = 5

A = P(P(P(P(3))))

A = P(P(P(5)))

P(5); x = 5

P(5) = 5 + 2 = 7

A = P(P(P(5)))

A = P(P(7))

P(7); x = 7

P(7) = 7 + 2 = 9

A = P(P(7))

A = P(9)

P(9); x = 9

P(9) = 9 + 2 = 11

→ A = P(P(P(P(3)))) = 11

Step-by-step explanation:

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4 0
3 years ago
What is the equation of the given graph in y=kx form .
ElenaW [278]
Solve for k using graphed value:
96 = k6
k = 16

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Another given value of x is 12. 12•16 = 192, so that checks out ok.
7 0
3 years ago
Find exact value for cos(pi/16)
stellarik [79]
The exact value for cos(pi/16) would be :

cos (pi/16) =  +/-  √1+cosa/2

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Hope this helps
6 0
3 years ago
Write the equation in slope-intercept form of a line that has a slope of 1/3 and passes through the point (-6, 0).
Vesna [10]

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Step-by-step explanation:

The equation of line in slope - point form is given as:

y - y_{1} = m ( x - x_{1} )

m = 1/3

y_{1} = 0

x_{1} = -6

substituting into the formula , we have

y - 0 = 1/3 ( x - {-6} )

y = 1/3 (x+6)

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5 0
3 years ago
Read 2 more answers
Solve:<br> 3x - 9 = 5(x-3)
Viefleur [7K]

Hi,

3x - 9 = 5(x-3)\\3x - 9 - 5(x-3)= 0\\3x -9 -5x +15 =0\\6-2x=0\\6=2x\\x=3

Have a good day.

3 0
3 years ago
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