Answer:
x=8
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
20 subtract 1 equals 19
Answer:
volume of orange juice = 4 cans
Step-by-step explanation:
Recipe for orange juice
Orange juice concentrate = 1 can
Water = 3 cans
What is the volume of orange juice that you make?
volume of orange juice = Orange juice concentrate + water
= 1 can + 3 cans
= 4 cans
volume of orange juice = 4 cans
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.