MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices
Problem
At t=t0 for a certain parametric curve, f′(t0)=0 and g′(t0)=0. Which of the following is true about the tangent at the corresponding point on the curve?
(a) The tangent is definitely vertical.
(b) The slope dxdy is indeterminate and further information is needed.
(c) The tangent is definitely horizontal.
(d) There is no tangent at the point.