Solve the problem.Assume that the rate of change of the population of a certain city is given by 
where y is the population at time t, in years. The population was 100,000 in 1980. Assume 
is 1980. Predict the population in 1990.
A. 9.2 × 105
B. 1.1 × 105
C. 1.8 × 105
D. 1.9 × 105
Answer: C
Mathematics
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Evaluate the expression.(-2)0
A. 0 B. 1 C. -2 D. -1
Mathematics
Write the statement as an inequality.y is greater than -45
A. y ? -45 B. y ? -45 C. y > -45 D. y < -45
Mathematics
Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = x 
A. f-1(x) = x2 + 3
B. f-1(x) = x3 - 3
C. f-1(x) = x 
D. Not one-to-one
Mathematics
Solve the system by elimination. x - 5y = 4 7x - 4y = 28
A. ? B. {(-4, -1)} C. {(4, 0)} D. {(5, 4)}
Mathematics