Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = cos ?Find .

A.
B.
C. 5
D. 20


Answer: B

Mathematics

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Determine whether the equation has no solution, one solution, or infinitely many solutions.12(x - 3) = 6(2x - 5) - 6

A. One solution B. Infinitely many solutions C. No solutions

Mathematics

The graph of a function f is given. Use the graph to find the indicated value.f-1(1)

A. 3
B. 4
C. - 
D.

Mathematics

Simplify. Express the answer using positive exponents.

A. p7
B. p-7
C.
D. p-3

Mathematics

Solve the equation by factoring.4y2 - 3y - 7 = 0

A. y = 0, 
B. y = , 1
C. y = -1, 
D. y = -1, 

Mathematics