


There is one critical point at (2, 4), but this point happens to fall on one of the boundaries of the region. We'll get to that point in a moment.
Along the boundary
, we have

which attains a maximum value of

Along
, we have

which attains a maximum of

Along
, we have

which attains a maximum of

So over the given region, the absolute maximum of
is 1578 at (2, 44).
Answer:
D. 17
Step-by-step explanation:
If PR equals 34, to get PT divide 34 by 2 since it's half of PR.
Answer:
If it took the motorcycle 2 hours to cover 20km, then the average speed is 10km per hour.
Speed is equal to distance over time. So 20km divided by 2 hours is 10 km per hour.
Answer:
a. k > 7
b. a < -21
c. h > 9
d. f < 301
Step-by-step explanation:
a. 2k + 7 > 21
2k > 14
k > 7
b. a/3 + 12 < 5
a/3 < -7
a < -21
c. 6h − 5 > 49
6h > 54
h > 9
d. f/7 − 9 < 34
f/7 < 43
f < 301
Hope this helps!