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attashe74 [19]
3 years ago
7

If f(x) = 4x + 3 and g(x) = 3x, evaluate for X = -1/2

Mathematics
2 answers:
miskamm [114]3 years ago
4 0

Answer:

 f(-\frac{1}{2}) = 1

g(-\frac{1}{2} ) = -\frac{3}{2}

Step-by-step explanation:

Given the function f(x) = 4x + 3 and the function g(x) = 3x, to evaluate for x=-\frac{1}{2}, you need to substitute it into each function.

Then, for the function f(x), when  x=-\frac{1}{2}, you get:

 f(-\frac{1}{2}) = 4(-\frac{1}{2}) + 3

 f(-\frac{1}{2}) = 4(-\frac{1}{2}) + 3

 f(-\frac{1}{2}) = -\frac{4}{2}+ 3

 f(-\frac{1}{2}) = -2 + 3

 f(-\frac{1}{2}) = 1

For the function g(x), when  x=-\frac{1}{2}, you get:

g(-\frac{1}{2} ) = 3(-\frac{1}{2})

 g(-\frac{1}{2} ) = -\frac{3}{2}

Goshia [24]3 years ago
3 0

Answer:

f(-1/2) = 1

g(-1/2) =-3/2

Step-by-step explanation:

f(x) = 4x+3

Let x = -1/2

f(-1/2) = 4(-1/2) +3

f(-1/2) = -2 +3

f(-1/2) =1

g(-1/2) = 3(-1/2)

          = -3/2  

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