Which of the following closed sets of ordered pairs is not a function?

A

{ (3, 2), (4, 6), (5, 8) }

B

{ (2, 1), (3, 2), (4, 3) }

C

{ (1, 2), (2, 5), (1, 3) }

D

{ (2, 4), (5, 3), (4, 1) }

For what values of a and b is the following function is continuous at every x: -7 x ≤ - 3 f (X) = ax-b - 3< x < 1 3 x ≥ 1 Find the values is a and b ix f (x) continuous at every x?

6 cell phones weigh 46.2 ounces. Fourteen cell phones weigh 107.8 ounces. Does this represent a proportional relationship

The quotient of four and twenty

Which three lengths could be the lengths of the sides of a triangle? 9 cm, 14 cm, 22 cm 20 cm, 6 cm, 8 cm 21 cm, 7 cm, 7 cm 15 cm, 5 cm, 20 cm

Express as a ratio: the speed of 1 km/min to the speed of 10 m/s.

One book costs £1.95 how much do six books cost?

300 is 10 times as much as what

The length (L) of a simple pendulum is directly proportional to the square of the time period (T). Which type of graph can best describe this relationship? a. hyperbolic b. inverse c. linear with negative slope d. linear with positive slope e.

Write the sum using summation notation, assuming the suggested pattern continues. 100 + 121 + 144 + 169 + ... + n2 + ...

Order: Furosemide (Lasix) 80 mg IVP now. Furosemide is ototoxic at high doses if given faster than 4 mg/minute. How many minutes would it take to administer this dosage? A. 80 minutes B. 2 minutes C. 20 minutes D. 360 minutes