The function f is defined by f(x)=cx−3, where c is a constant. find c, if the value of f at x=1.5 is equal to −5.25.

The answer to your question is c = -1.5

Step-by-step explanation:

Data

Function = f(x) = cx - 3

x = 1.5

f(x) = -5.25

Process

Substitute

                  -5.25 = 1.5c - 3

Solve for c

- Add 3 units in both sides

                  -5.25 + 3 = 1.5c - 3 + 3

- Simplify

                         -2.25 = 1.5c

- Divide both sides by 1.5

                         -2.25/1.5 = 1.5/15 c

- Simplify and result

                          -1.5 = c                  

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

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