Graph the function.y = 
cos 
x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use =, <, or > to write a true statement.
|-0.571|
A. < B. < C. =
Mathematics
Find the exact value of the expression if ? = 45°. Do not use a calculator.f(?) = cos ?Find 
.
A. 
B. 10
C. 
D. 
Mathematics
Multiply. Simplify if possible.
? 
A. 
B. 
C. 
D. 
Mathematics
Find f[g(x)] and g[f(x)].f(x) = 7/(x)4; g(x) = 2x3
A. f[g(x)] = 7x12/686 g[f(x)] = x12/16 B. f[g(x)] = 7/16x12 g[f(x)] = 686/(x)12 C. f[g(x)] = 686/7x12 g[f(x)] = 16/(x)12 D. f[g(x)] = 7x12/16 g[f(x)] = x12/686
Mathematics