Find d2y/dx2 without eliminating the parameter.x = 
, y = 
; t ? -1, 0, 1
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find a Cartesian equation for the line whose polar equation is given.r cos
= 4
A. y = x + 4
B. y = x - 8
C. y = 
x - 8
D. y = x + 4
Mathematics
Solve the problem. Round to the nearest cent.Jenny deposits $1,500.00 in an account paying a rate of 7%, compounding monthly. If she ignores the account for 25 years,a. How much will she have when she withdraws her money?b. How much will she earn in interest?
A. a. $8588.13, b. $7088.13 B. a. $3378.29, b. $1878.29 C. a. $3469.54 b. $1969.54 D. a. $2961.84, b. $1461.84
Mathematics
Find the axis of symmetry of the parabola defined by the given quadratic function.f(x) = -x2 + 8x + 5
A. x = 4 B. x = 21 C. x = -4 D. x = 8
Mathematics
Evaluate the expression.C(7, 1)
A. 1440 B. 3.5 C. 7 D. 5040
Mathematics