Solve the problem.The value, v, in hundreds of dollars, of Juan's television is approximated by 
where t is the number of years since he first bought the television. Graph the equation and use the graph to estimate the value of the television 6 years after it was purchased.
A. $880
B. $1300
C. $400
D. $700
Answer: D
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Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 = -12y
A. vertex: (0, 0)
focus: (-3, 0)
directrix: x = 3
B. vertex: (0, 0)
focus: (3, 0)
directrix: x = -3
C. vertex: (0, 0)
focus: (0, 3)
directrix: y = -3
D. vertex: (0, 0)
focus: (0, -3)
directrix: y = 3
Use the formula v = r? to find the value of the missing variable. Give an exact answer unless otherwise indicated.r = 16 cm, ? = 
radian per sec
A. 
cm per sec
B. 
cm per sec
C. 
cm per sec
D. 48? cm per sec
Solve the problem.The formula A = 
gives the approximate annual interest rate for a consumer loan paid off with monthly payments, where f is the finance charge on the loan, p is the number of payments, and b is the original amount of the loan. Find the approximate annual interest rate for an automobile loan to be repaid in 18 monthly installments if the finance charge on the loan is $575 and the original loan balance is $1490.(Round your answer to two decimal places, if necessary.)
A. 48.75% B. 54.48% C. 43.02% D. 51.42%
Solve the system of equations using substitution. Note that the system may be inconsistent or consistent with dependent equations.
A. 
B. 
C. All ordered pairs along 4x + 3y = 3
D. No solution