Which of the sets that follow are spanning sets for P3? Justify your answers. (a) {1, x2, x2 - 2} (b) {2, x2, x, 2x+3} (c) {x+2, x+1, x2 - 1} (d) {x+2, x2 - 1}

If (x - 2k) is a factor of f (x), which of the following must be true? a) f (2k) = 0 b) f (-2k) = 0 c) A root of f (x) is x = - 2k. d) A y intercept of f (x) is x = 2k.

Is 160 greater or less than 2 1/2

Which of the following is a true statement? A. 1/2=7/21 B. 18/3=90/15 C. 21/3=84/7 D. 99/9=66/11

What is the value of 4 cubed? a. 24 b. 64 c. 43 d. 16

Question? Jared and David both sell air conditioning units, but they work for two different companies. Each month, Jared earns a base pay of $1,001 plus an extra $75.55 for each unit he sells.

Cellular Growth Leticia Cox is a biochemist. She is testing two different types of drugs that induce cell growth. She has selected two cultures of 1000 cells each.

What are the domain and range of f (x) = 2 (3^x) ? domain: (-infinity, infinity); range: (0, infinity) domain: (-infinity, infinity); range: (2, infinity) domain: (0, infinity); range: (-infinity, infinity) domain: (2, infinity);

on Sunday 845 people went to zoo. on Monday 169 people went to zoo. What is the percent decrease in people visiting zoo on Monday?

A ball is thrown directly upward from an initial height of 200 feet with an initial velocity of 96 feet per second. How long does it take for the ball to reach it's maximum height?

Carole has $53.95 and washes cars for $8 each. Carole wants to attend a musical that costs $145.75. a. Write and solve an inequality to determine the minimum number of cars Carole must wash to be able to buy the ticket to the musical. b.