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.
Question 10
30-2=28
28*2= 56
56*2= 112
120*2= 240
240+112=352.
Area = 352 square feet
Question 11
Volume = pi*r*r*h
=3.142*2.5*2.5*0.5
= 9.817
From the choices the answer is
D. 9.8 cubic ft
Best Answer:<span> </span><span>6 sides is a hexagon.
the spoke of a wheel is like a radius. Circumference is equal to 2πr so r = 42/2π ≈ 6.69 inches, ans. D.
that's it! ;)</span>
Answer:
Equation is cut out
Step-by-step explanation:
Upload a clear picture
Answer:
256 just add them all up and u get the answer
