Question

4a4 − 2b2 + 40 when a = 2 and b = 7.

Answer 1

44

Explanation:

4(2)4 - 2(7)2 + 40

32 - 28 + 40

44

Answer 2

Answer: 6

Explanation:

4a^4-2b^2+40, given a=2 and b=7

4a^4-2b^2+40

=4(2)^4-2(7)^2+40

=4(16)-2(49)+40

=64-98+40

=-34+40

=6

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