Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = 2x - 5
A. Yes, yes
B. No, yes
C. No, no
D. Yes, no
Answer: A
Mathematics
You might also like to view...
Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.
A. 3 × 108 B. 3 × 106 C. 3 × 103 D. 3 × 107
Mathematics
Solve the system.x - y + z = 1x + y + z = 3x + y - z = -3
A. {(3, -1, 1)} B. {(-1, 1, 3)} C. ? D. {(-1, 3, 1)}
Mathematics
Oprah can run the 50-meter sprint in 7.2233 seconds. To the nearest tenth of a second, what is Oprah's 50-meter sprint time?
A) 7.2 seconds B) 7.21 seconds C) 6 seconds D) 7.22 seconds E) 7 seconds
Mathematics
Evaluate the function 
for x = 6.
?
A. ?h(x) = 9 B. ?h(x) = 3 C. ?h(x) = -12 D. ?h(x) = 12 E. ?h(x) = -3
Mathematics