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