Question

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Answer 1

yo what are the answer choices. What are we looking for

Answer 2

it a is positive, it will open upwards. if negative it will open down. So if it is positive we say it is concave up. Graph the function x^2+2x+1, you see A = 1 (positive value) and it is concave up

Answer 3

so now the answer is either a or d

Answer 4

if a function opens down, it has to have a maximum, like this

and vice versa this applies as well, if a function opens up (concave up) it will have a minumum

Answer 5

so open up and have a maximum