You just substitute the value of x in the given equation:
f(x) = 2x^2 - 5
f(-4) = 2 (-4)^2 -5 = 27
f(x) : a name given to the equation
f(-4): refer to the equation when the value of the independent variable x has the value between the brackets.
Answer:
5/2
Step-by-step explanation:
Answer:
2 easy
Step-by-step explanation:
61.67$ because you round the 7 up to the nearest hundredth
