Suppose that ln 2 = a and ln 5 = b. Use properties of logarithms to write each logarithm in terms of a and b.ln 20

A. 2a + b
B. 4b
C. a + b
D. 2a + 2b


Answer: A

Mathematics

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Find the range of the given function.f(x) = x2 - 2x - 

A.
B.
C.
D.

Mathematics

Solve the system by the elimination method or a combination of the elimination and substitution methods.x2 + y2 = 104x2 - y2 = 96

A. {(10, 2), (2, 10), (-10, -2), (-2, -10)} B. {(10, -2), (10, 2)} C. {(-10, -2), (-2, -10)} D. {(10, 2), (-10, 2), (10, -2), (-10, -2)}

Mathematics

Solve the equation. -  = 

A. y = -5 B. ? C. y = 45 D. y = 5

Mathematics

Solve.x = - 

A.
B.  
C.  
D.  

Mathematics