Find the requested composition of functions.Given f(x) = x2 + 9 and g(x) = x2 - 9, find f?g(x).
A. x4 - 18x2 + 72
B. x4 + 18x2 + 72
C. x4 + 18x2 + 90
D. x4 - 18x2 + 90
Answer: D
Mathematics
You might also like to view...
Find the domain and range of the function.f(x) = 9 + 
A. D: [0,?), R: [9,?) B. D: (-?, ?), R: [9,?) C. D: [0,?), R: (-?, ?) D. D: (-?,0], R: (-?,9]
Mathematics
Graph the inequality.y > - 
x + 5
A. 
B. 
C. 
D. 
Mathematics
Find the exact values of the remaining trigonometric functions of ? from the given information.cos ? = 
, sin ? < 0
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = 
cos ? = 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
Mathematics
What does the circuit symbol in the figure mean?
?
?
A. OR-gate B. Switch C. Battery D. AND-gate E. NOT-gate
Mathematics