What is the value of f(x) = 2 • 2x for f(–2)?
1 answer:
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Answer:
5
Step-by-step explanation:
First u minus (because of these () ) witch is 3 and is a fraction so u do 3×
(u see that its not a ÷ sign because its a fraction) witch equals to 5
Answer:
60
Step-by-step explanation:
We have been given the matrix;
For a 2-by-2 matrix, the determinant is calculated as;
( product of elements in the leading diagonal) - (product of elements in the other diagonal)
determinant = ( 5*4) - (8*-5)
= 20 - (-40) = 60