80 because 81 is closer to 80 than 90
On the y-axis put a dot on positive 2. Then you can either go down 1 right 1 or up 1 left 1
Answer:
17.
Step-by-step explanation:
f(x) = 2x^2 - 1
f(-3) = 2(-3)^2 - 1
= 2 * 9 - 1
= 18 - 1
= 17
Hope this helps!
Answer:
2.5
Step-by-step explanation:

first you have to decide by a number that goes into both the numator and denominator in this case you dive the top and bottom by 32. witch equals

then you divide 5 and 2

which equals
