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:
-1.07+(-2.917)-4.3=-8.287
Step-by-step explanation:
The first one, decreasing then increasing
Answer:
nonagon
Step-by-step explanation:
The correct name for a 9-sided polygon is <u>nonagon</u><u>.</u>
Answer:
4 x 13
Step-by-step explanation:
GCD of 28 and 24 is 4
28 = 4 x 7
24 = 4 x 6
u take the 4 out
4 (7 + 6)
4 x 13