Answer:
x=5
Step-by-step explanation:
4 downgrades to 3 by 1
that means 6 will downgrade to 5 by 1
hope this helped
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:
2.83
Step-by-step explanation:
25 round off is equal to 30
so we can write 2.825 = 2.83 in form of 2 digits
83 round off to 80
2.83 is equal to 2.8