Which trigonometric functions do not have real zeros?

sine, cosine, tangent, cosecant, secant, or cotangent.

How many roots does 2x^2-7x-5=0 have? a) 1 real b) 2 real rationals c) 2 real irrationals d) no solution

Nine times the input minus seven is equal to the output. If the input is - 1, what is the output? A) - 16 B) - 2 C) - 72 D) 2

Two side of a right triangle are 8 and 15 find the missing side. If 8 and 15 or leg and the hypotenuse

There was 1/6 of a sheet of cake remaining at Gabbys birthday party she wanted to send some home with four of her friends if she put the remainder of the Chi how much would each of your friends get to take

How to find a missing side of trapezoid prim?

Problem Francois baked just enough cookies to fill all the orders at his bakery. While the cookies were cooling, a kitchen assistant knocked over a cooling rack and spilled 12%, percent of the cookies onto the floor.

Tickets to the zoo cost $4 for children, $5 for teenagers and $6 for adults. In the high season, 1200 people come to the zoo every day. On a certian day, the total revenue at the zoo was $5300. For every 3 teenagers, 8 children went to the zoo.

I don't really get it is kinda frustrating one problem is 4over7 and 3over5which one is greatest

Pet store A offered discount on pet food every 3 months. Pet store B offers a discount on pet food every 5 months. Both pet store are offering a discount on pet food this month.

X=4 what is the domain and what is the range and is it a function?