Step-by-step explanation:

Hello :
<span>A) it is an even function because for all x in R :
f(-x) = 2(-x)²+1
= 2x²+1
f(-x) = f(x)</span>
345 mi; if you travel 69 miles per hour, and drive 5 hours, you have to multiply 69 and 5 to find how far you travel in 5-- 69 times 5 is 345.
Answer:
2100
Step-by-step explanation:
71 ->70
28 ->30
70 * 30 = 2100
Answer:
x2=3
x1=2
y=10
Step-by-step explanation: