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3 years ago

Please solve last question on test 1/2 - 1/8q=q-1/4

Mathematics

1 answer:

omeli [17]3 years ago

6 0

Answer:

q = 2/3

Step-by-step explanation:

From the question the equation is given by,

1/2 - 1/8q=q-1/4

Rearranging the terms in the given equation and bringing the similar terms to the same side of the equation,

- 1/8q -q = -1/4 - 1/2

Adding the terms in the equation of both left and right hand side of equation:

-((1+8)/8) × q = -(1+2)/4

-(9/8) × q = -3/4

Dividing the both sides of the equation by 3/4

-3/2q = -1

Multiplying the both sides of the equation by -2/3

Therefore, q=2/3

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4. Determine whether f(x) = 1/3x + 5 and g(x) = 3x - 15 are inverse functions.

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Answer:

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Step-by-step explanation:

Given

Given that the function f(x) and g(x) are inverse functions.

$f\left(x\right)\:=\:\frac{1}{3}x\:+\:5$

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To determine

Let us determine whether f(x) = 1/3x + 5 and g(x) = 3x - 15 are inverse functions.

Determining the inverse function of f(x)

A function g is the inverse function of f if for y = f(x), x = g(y)

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Step-by-step explanation:

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