Question

elaluate the function for x=-1,1,2 f(x)=4 x 7^x

Answer 1

Simply apply -1, 1, and 2 into your function. Is it like this?\[4\times7^{x}\]

Answer 2

I guess it is.
x = -1, f(x) = 4(7)^-1 = 4/7
x = 1, f(x) = 4(7)^1 = 28
x = 2, f(x) = 4(7)^2 = 196

Answer 3

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