Is the statement below an expression or an equation?
t = 3.85

A. an expression
B. an equation


Answer: B

Mathematics

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Solve the problem.Suppose that y is directly proportional to x and that y = 25.2 when x = 7. Find the constant of proportionality k. Then, find y when x = 12.

A. k = 3.6; y = 43.2
B. k = 176.4; y = 
C. k = 3.6; y = 45.6
D. k = 3.8; y = 43.2

Mathematics

Find the degree of the polynomial function.f(x) = ?x5 - 8x4 + 8

A. 5 B. ? C. 4 D. 1

Mathematics

Graph the equation.k(x) = x2 - 2x - 3

A.

B.

C.

D.

Mathematics

Change the exponential expression to an equivalent expression involving a logarithm.43 = x

A. logx 4 = 3 B. log3 x = 4 C. log4 3 = x D. log4 x = 3

Mathematics