Question

Evaluate the function for the indicated values of x.

function
f(−10) =

f(2) =

f(−5) =

f(−1) =

f(8) =

Answer 1

Answer:

-19

4

-9

1

-5

the last person got the last one wrong

Answer 2

A function assigns the value of each element of one set to the other specific element of another set. The value of f(8) is 5.

What is a Function?

A function assigns the value of each element of one set to the other specific element of another set.

The function that is given is mentioned below. Now, the value of the function can be found as shown below.

A.) f(-10)=?

When the value x is -10, it will lie in the first category of the function, therefore, the function for this value of x will be,

$f(x) = 2x+1\\\\f(-10) = 2(-10)+1\\\\f(-10) = -20+1 = -19$

B.) f(2) = ?

When the value x is 2, it will lie in the second category of the function, therefore, the function for this value of x will be,

$f(x) = x^2\\\\f(2) = 2^2 = 4$

C.) f(-5)=?

When the value x is -5, it will lie in the first category of the function, therefore, the function for this value of x will be,

$f(x) = 2x+1\\\\f(-5) = 2(-5)+1\\\\f(-5) = -10+1 = -9$

D.) f(-1)=?

When the value x is -1, it will lie in the second category of the function, therefore, the function for this value of x will be,

$f(x) = x^2\\\\f(-1) = (-1)^2 = 1$

E.) f(8)=?

When the value x is 8, it will lie in the third category of the function, therefore, the function for this value of x will be,

$f(x) = x-3\\\\f(8) = 8-3 = 5$

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