Evaluate the indicated function for $f ( x ) = x ^ { 2 } + 3$ and $g ( x ) = x - 6$ . $( f - g ) ( 0 )$
A)48
B)39
C)9
D)0
E)-39

Question

Evaluate the indicated function for $f ( x ) = x ^ { 2 } + 3$ and $g ( x ) = x - 6$ .​ $( f - g ) ( 0 )$ ​ ​
A)48
B)39
C)9
D)0
E)-39

Quizplus · Accepted Answer

Since the only operation indicated in the function is subtraction and the two values have the same digits in the first three groups, the difference will have only non-zero digits in the last group (subtracting 8 from 9). Therefore, the answer is 9.

Evaluate the Indicated Function For f(x)=x2+3f ( x ) = x ^ { 2 } + 3f(x)=x2+3

Evaluate the Indicated Function For $f ( x ) = x ^ { 2 } + 3$