MATHEMATICS HIGH SCHOOL

Given that f
(
x
)
=
3
x
−
7
and
g
(
x
)
=
3
x
, evaluate
f
(
g
(
−
1
)
)

Answers

Answer 1
Answer:

Answer:  f(g(-1)) = -16

Step-by-step explanation:

First, we need to find g(−1), which means we substitute -1 in place of x in the function g(x):

g(-1) = 3(-1) = -3

Next, we substitute g(-1) into f(x):

f(g(-1)) = f(-3) = 3(-3) - 7 = -16

Therefore, f(g(-1)) = -16.
Answer 2
Answer: The guy above me is correct

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Perform the indicated operation.5/4 + 7/9

a.4/9
b. 2 4/9
c. 2 1/36

Answers

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so
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The steps below show the incomplete solution to find the value of x for the equation 7x – 3x – 4 = –1 + 21:Step 1: 7x – 3x – 4 = –1 + 21

Step 2: 7x – 3x – 4 = 20

Step 3: 4x – 4 = 20Which of these is most likely the next step? (4 points)


4x = 24
4x = 16
4x = 5
4x = 80

Answers

Step 1 :     7x - 3x - 4 = -1 +21
Step 2 :     7x - 3x - 4 = 20
Step 3 :     4x - 4 = 20
Step 4       4x -4 +4 = 20 + 4
                 4x = 24

Answer 4x = 24

Find the inverse of f (x)=log(subscript 4) x

Answers

f(x)=\log_4x\n\ny=\log_4x\nx=4^y\nf^(-1)(x)=4^x
f\left( x \right) =\log _( 4 ){ x } \n \n \log _( 4 ){ x } =y\n \n { 4 }^( y )=x\n \n \therefore \quad { f }^( -1 )\left( x \right) ={ 4 }^( x )

Simplify i³⁸. [i=√(-1)]

Answers

for the answer to the question above,  the answer is simple, and it is -1 (because even powers of an imaginary number or i will always give a  -1).I hope my answer helped you with your problem. Have a nice day!

-1     ...................................................................you're welcome.

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Answers