Step-by-step explanation:
oh, come on. you can just use common sense.
a local minimum is a point where the curve goes down to, and then turns around and starts to go up again. that point in the middle, where it turns around and does not go down any further, is the minimum.
for the maximum the same thing applies, just in the other direction (the curve goes up and turns around to go back down again).
a)
the local minimum values (y) are
-2, -1
b)
the values of x where it had these minimum values are
-1, +3

if you have already covered slopes, you could also get it that way, in fact is simpler that way.
The diameter is twice as big as the radius
Answer:
64 is the sum of the numbers
58 + 6 = 64
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