4 years ago

Which is the same function as -3x + 7 = y?

Mathematics

1 answer:

Molodets [167]4 years ago

3 0

Answer:

A) f(x) = -3x+7

Step-by-step explanation:

f(x) is interchangeable with y when writing a function, so the functions are the same.

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Evaluate the expression -2+49 ÷ (-7)

Viktor [21]

Answer: It should equal this ,-2+49÷(-7)=-9 !

Step-by-step explanation:

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3 years ago

Given: F(x) = 5x - 6 and G(x) = x - 4

fomenos

Answer:

Correct choice is $\dfrac{x+26}{5}$

Step-by-step explanation:

1. If $F(x)=5x-6,$ then you can find the inverse $F^{-1}(x):$

$y=5x-6,\\ \\5x=y+6,\\ \\x=\dfrac{y+6}{5},\\ \\F^{-1}(x)=\dfrac{x+6}{5}.$

2. If $G(x)=x-4,$ then

$y=x-4,\\ \\x=y+4,\\ \\G^{-1}(x)=x+4.$

3. Hence,

$G^{-1}(F^{-1}(x))=G^{-1}\left(\dfrac{x+6}{5}\right)=\dfrac{x+6}{5}+4=\dfrac{x+26}{5}.$

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3 years ago

True or False: According to the Order of Operations, exponents are applied before the expression in parentheses, and addition

faust18 [17]

False because parentheses go first.... just follow PEMDAS

8 0

3 years ago

It costs 19 dollars for 3 t-shirts. W hat is the cost of 4 t-shirts

Karo-lina-s [1.5K]

Answer:

4 shirts will cost about 25.32

Step-by-step explanation:

First, You can divide 19/3 and this will give you 6.33 repeating.

Next, you will assume that one shirt would cost $6.33.

Finally, Multiply by 4 to get the amount of four shirts.

6 0

3 years ago

Waht is the difference between 148 and 400

lesya [120]

Difference is subtract so 400-148=252

5 0

3 years ago