The value of the expression 2x²
+ x(100 - 15x) when x = 5 is
Х
0 119.
0 129.
135.
0 145.

f(5) = 75

Step-by-step explanation:

The function is f(x) = 2x^2 + x(100 - 15x).

Evaluate this function at x = 5:  replace each instance of x with 5:

f(5) = 2(5)^2 + 5(100 - 15·5)

Order of operations rules require evaluating the expression enclosed in parentheses first.  We get:

f(5) = 2(5)^2 + 5(100 - 15·5)

      = 50       + (100 - 75), so that:

f(5) = 50 + 25 = 75

f(5) = 75

175?

Step-by-step explanation:

the answer is true.

step-by-step explanation:

false

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