Solve.The sales for a gaming console for various years are listed in the table below. 
Let s represent the sales (in billions of dollars) at t years since 1995. Use your graphing calculator to determine the quadratic regression equation for this data set.
A. s = 0.20t2 - 1.50t + 3.02
B. s = 0.065t2 - 0.42t + 0.84
C. s = 0.065t2 - 0.68t + 1.95
D. s = 0.20t2 - 0.70t + 0.81
Answer: C
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Solve the differential equation.5y ' = ex/5 + y
A. y = 
B. y = xex/5 + Cex/5
C. y = 
D. y = 
Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.2x - t2 - t = 0, 2ty + 6t2 = 6, t = 1
A. - 6 B. 9 C. - 9 D. - 4
Solve the problem. If necessary, use the table of monthly payments below. Round your answer to the nearest cent.?Monthly Payments to Repay Principal and Interest on a $1000 Mortgage Term of Mortgage (Years)
Find the total monthly payment, including taxes and insurance, on the following fixed-rate mortgage.Amount of loan: $82,000Interest rate: 11.0%Term of loan: 20 yearsAnnual taxes: $1356Annual insurance: $348
A. $967.74 B. $988.39 C. $846.39 D. $1015.30
Solve.The rate R of a chemical reaction (in grams per liter per minute) is given by the expression R = 0.79C2/5, where C is the concentration of the reactant in grams per liter. On log-log paper, graph R as a function of C for C = 0.001 g/L to C = 0.1 g/L.
What will be an ideal response?