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
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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]
Graph the inequality.y > - x + 5
A.
B.
C.
D.
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 ? = -
What does the circuit symbol in the figure mean?
?
?
A. OR-gate B. Switch C. Battery D. AND-gate E. NOT-gate