What is the y-intercept of the function

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?

Find the maximum value of p= 4x + 5y subject to the following constraints :