Homework Help for Precalculus

Parametric equations

Parametric equation

What is ALU

Y= 5x+3y

Calculate dy/dx

Use the intermediate value theorem to show that the polynomial function has a real zero between the numbers

F(-2)

F(-1)

Give the equation of a rational function with a horizontal asymptote of 0, exactly one hole, and exactly
one vertical asymptote such that the domain of the function is (−∞, −1) ∪ (−1,4) ∪ (4, ∞).

A tower 28.4 feet high, must be secured with a guy wire anchored 5 feet from the base of the tower. What angle will the guy wire make with the ground?

Let P(x, y) be the terminal point on the unit circle determined by t. Then sin(t) =

A car rental agency rents

420

cars per day at a rate of

​$20

per day. For each

​$1

increase in​ rate,

10

fewer cars are rented. At what rate should the cars be rented to produce the maximum​ income? What is the maximum​ income?

Graphs of Polynomial Functions

For each function: (1) determine the real zeros and state the multiplicity of any repeated zeros, (2) list the $x$-intercepts where the graph crosses the $x$-axis and those where it does not cross the x-axis, and (3) sketch the graph.

*Please refer to the attached image*

A polynomial P is given. (a) Find all the real zeros of P. (b) Sketch a graph of P.