Which of the following is a one-to-one function?

A. y=[x]

B. f (x) = {5x-1: x (or equal to) - 2

C. y = IxI

D. f (x) = {4:x<0 5:0< (or equal to) x2

I think it's a but i'm really not positive

Mrs. Bergstedt teaches six classes. In her first period class she has 19 students, her third period she has 13 students, her fourth period 19 students, her fifth period 9 students, her sixth period 14 students, and her seventh period 15 students.

Aflati valorile rapoartelor numerelor:125 si 25,13 si 169

Danielle owns a vacation cottage. during the current year, she rented it for $1,500 for 48 days, and lived in it for 12 days. how would any expenses be accounted for

Which of the following is a Pythagorean triplet? Group of answer choices (8, 15, 17) (2, 3, 5) (5, 7, 9) (6, 9, 11)

If K = { (x, y) x - y = 5), is Set Ka function? A. Yes B. No

Choose the correct sum of the polynomials (4x3 - 2x - 9) + (2x3 + 5x + 3).

5x-5 + (6y-4) + 4x+10=180

Does the fraction 1/2 make the equation 1/34 + 8/17 = 1/2 true?

Remember that you can multiply by the reciprocal of the divisor when you divide by a fraction. find each quotient. simplify if possible 1. 1/3:2 2. 1/7:7 3. 1/2:8 4. 1/8:2

Draw a area model to solve the following. Find the value of the following expression. 30 * 60