Solving the given functions for the asked value, we get
f(-5) = 25, g(2) = -10
What are functions?
A function is a rule defining the relationship between two variables, one is dependent and the other independent.
How do we solve the given question?
To solve the given functions for asked values, we put in the value asked for in place of the variable determining the function.
Two given functions are:
f(x) = -3x + 10
g(x) = x² - 7x.
We are asked for values of f(-5) and g(2).
To calculate the value of f(-5), we substitute x with (-5) in the function f(x), that is,
f(-5) = -3(-5) + 10 = 15 + 10 = 25.
To calculate the value of g(2), we substitute x with (2) in the function g(x), that is,
g(2) = (2)² - 7(2) = 4 - 14 = -10.
∴ f(-5) = 25, g(2) = -10
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