The answer is on the picture below
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.
14 tens is equal to 140. You get this by multiplying 14 and 10. So the answer to your question is 140.
Answer:
a percent is a variable of proportionality describing the part of the whole.
The answer is- Yes, the piecewise graph is a function because it passes the vertical line test.
Hope that helped!!!
