Find parametric equations for the rectangular equation.y = 3x + 3
A. y = 3t, 3x = t - 3; 0 ? t < ?
B. x = t, y = 3t2 + 3; 0 ? t < ?
C. x = 
, y = t + 1; 0 ? t < ?
D. x = t, y = 3t + 3; 0 ? t < ?
Answer: D
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Solve the problem.Find the current I as a function of time in an RCL circuit if R = 103 ?, L = 0, 
and 
Assume that 
and 
at 
(when the switch is closed).
A. I = 4 × 10-3 e-0.25t B. I = 4 × 10-3 e-t C. I = 1.6 × 10-2 e-t D. I = 1.6 × 10-2 e-0.25t
At the given point, find the slope of the curve or the line that is tangent to the curve, as requested.x5y5 = 32, tangent at (2, 1)
A. y = - 
x + 2
B. y = 
x
C. y = 16x + 1
D. y = 16x - 1
Simplify using the order of operations.-
+ 40 ÷ (7 - (-3)) - 43
A. -125
B. -89
C. - 
D. -31
Write the trinomial in standard form and then factor completely. If the trinomial cannot be factored, say it is prime.4x - 45 + x2
A. (x - 9)(x + 5) B. (x - 9)(x + 1) C. (x + 9)(x - 5) D. prime