Idea of functions multiple choice questions (MCQs), idea of functions quiz answers to learn elementary school math online courses. Functions and graphs MCQs, idea of functions quiz questions and answers for online elementary education degree. Idea of functions test prep for elementary school teaching certification.

Learn math MCQs: by putting value for x as -4 in function y = 5x, answer will be, with choices 1, −20, 20, and −1 for online elementary education degree. Free math student portal for online learning idea of functions quiz questions, MCQs to find questions answers based online learning tests.

MCQ: By putting value for x as -4 in function y = 5x, answer will be

1. 1
2. −20
3. 20
4. −1

B

MCQ: If monthly pay of salesman is 'y' and includes basic pay \$200 plus a commission of \$5 for every unit he sales then function for this can be written as

1. x = 205 + 5y
2. 200 + 5xy
3. y = 200 + 5x
4. y = 205 + x

C

MCQ: By putting value for x as 3 in function y = 10x, answer will be

1. 3.334
2. 7
3. 30
4. 13

C

MCQ: Consider function y = 10 - 4x, if value of x = -1 then value of 'y' is

1. 6
2. −2
3. 14
4. 2

C

MCQ: If each ticket of amusement park is sold for \$20 then function for total sales can be written as

1. y = 20 + x
2. 20xy
3. x = 20y
4. y = 20x

D