1. evaluate the function: g(x)=2x+12 for g(7)-5

2. find the slope of the line through the pair of points. c(–7, 5), d(–9, 9)

3.evaluate f(x) = -1/3x for f(4).

QUESTION 1

The given function is

This implies that,

We now put x=7 to obtain,

Simplify,

QUESTION 2

The given pair of points are C(–7, 5) and D(–9, 9).

The is given by the formula:

We plug in the coordinates to obtain,

The slope is

QUESTION 3

The given function is

To evaluate this function for f(4) means we should substitute x=4 into the formula and simplify.

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

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step-by-step explanation: