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Evgesh-ka [11]
3 years ago
9

Y=f(x)=(4)^x find f(x) when x=-1

Mathematics
2 answers:
nexus9112 [7]3 years ago
4 0

when x = -14

f(-1) = 4^-1 = 1 / 4^1 = 1/4

Answer

1/4 or 0.25

Hatshy [7]3 years ago
3 0
Its 1/4 or 0.25, the same thing
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babymother [125]

Answer:

The general plan is to find BM and from that CM. You need 2 equations to do that.

Step One

Set up the two equations.

(7 - BM)^2 + CM^2 = (4*sqrt(2) ) ^ 2 = 32

BM^2 + CM^2 = 5^2 = 25

Step Two

Subtract the two equations.

(7 - BM)^2 + CM^2  = 32

BM^2 + CM^2         = 25

(7 - BM)^2 - BM^2 = 7               (3)

Step three

Expand the left side of the new equation labeled (3)

49 - 14BM + BM^2 - BM^2 = 7    

Step 4

Simplify And Solve

49 - 14BM = 7              Subtract 49 from both sides.

-49 - 14BM = 7 - 49

- 14BM = - 42              Divide by - 14

BM = -42 / - 14

BM = 3

Step  Five

Find CM

CM^2 + BM^2 = 5^2

CM^2 + 3^2 = 5^2        Subtract 3^2 from both sides.

CM^2 = 25 - 9            

CM^2 = 16                     Take the square root of both sides.        

sqrt(CM^2) = sqrt(16)

CM = 4    < Answer

Step-by-step explanation:

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3 years ago
Is the point (4,2) the solution to the system? Why or why not? Explain your reasoning.
VMariaS [17]
Solve the top equation to get on variable on one side
2x-y=6
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2=10

4+2=6

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Answer:

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Answer: Darren


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6 0
3 years ago
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nikdorinn [45]

Answer:

B) 30

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