1.which expressions are polynomials? select each correct answer. pick more then one.

7x^7−x−5

35x²

4x+√x−1

x/5+2

which expressions are polynomials?

select each correct answer. pick more then one

a. x^2−x√+2

b. y

c. 2 + s

d. 4x³ + y

which description is correct for the polynomial −5x^3−4x+1?

a. cubic binomial

b. quadratic trinomial

c. cubic trinomial

d. cubic monomial

what is the degree of the polynomial −2x^2y^4−1/2z ?

a.1

b.2

c.4

d.6

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?