simeragrundy14
17.04.2020 •
Mathematics
Suppose that the functions f and g are defined for all real numbers x as follows.
f(x) = x+3
g(x) = 4x2
Write the expressions for ( g)(x) and (f+g)(x) and evaluate (f-)(-3).
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Ответ:
Step-by-step explanation:
-8.3 + 9.2 - 4.4 + 3.7
= -8.3 + 9.2 + (-4.4) + 3.7 {Additive inverse}
= -8.3 + (-4.4) + 9.2 + 3.7 {Commutative Property}
= [ -8.3 + (-4.4] + [ 9.2 + 3.7] {Associative property}
= - 12.7 + 12.9
= 0.2