neriahl neriahl

05-01-2017
Mathematics

contestada

Which expression has a value greater than the given expression when a = 2?

2(a + 6)

Choices:

2a + a²

4a + 8

2a + 12

a4+2

if anyone could help please? ty

Respuesta :

djsdoodle djsdoodle

05-01-2017

The answer is
a^4 + 2

For a=2,
a^4 + 2 = 2^4 + 2 = 18
and 2(a+6) = 2(2+6) = 16
18 > 16

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