2 years ago

Given f (x) = -3 + 5, solve for x when f (x) = -4

Mathematics

2 answers:

Svetllana [295]2 years ago

6 0

Answer:

x = 3

Step-by-step explanation:

Hello!

Think of this as a linear equation: y = -3x + 4.

If f(x) = -4, it means that y = -4.

Plug in the value for y and solve for x.

<h3>Solve</h3>

f(x) = -3x + 5
y = -3x + 5
-4 = -3x + 5
-9 = -3x
3 = x

The value of x is 3.

bezimeni [28]2 years ago

4 0

The value of x when f(x) = -4 is 3

<h3>How to solve the function?</h3>

The function is given as:

f(x) = -3x + 5

When f(x) = -4, we have:

-4 = -3x + 5

Subtract 5 from both sides

-3x = -9

Divide both sides by -3

x = 3

Hence, the value of x when f(x) = -4 is 3

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