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:
two solutions
Step-by-step explanation:
it's a square equations and has two answers
No 3/7 do not represents the same length on the number line
Answer:
C
Step-by-step explanation:
Choose C. 2,2,5
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