Sendo A = (-1, 0, 1, 2) e B = (-2, - 1, 0, 1, 2, 3, 4), verifique em cada caso se a lei dada define uma função de A com valores em B.

a) f (x) = 4x

b) f (x) = 3x - 1

c) f (x) = 4x + 5

d) f (x) = 5 - 2x

What is the difference between solving an equation and an inequality?

Which graph represents the solution to the system of inequalities? y ≥ x - 5 y < - x + 4

Which is the best definition of denotation? A the dictionary meaning of a word B the meaning of a word in a different language C the additonal meaning that comes from the feelings one gets from a word D the meaning of irony

One serving of rice is 2/3 of a cup. Last night I ate 1 cup of rice at dinner. How many servings of rice did I eat. (Answer as a mixed number?

How do you solve 5 (2) to the power of x = 5x+4

Darla drives at a constant speed of 45 miles per hour. a. If she drives for y miles and it takes her x hours, write the two-variable equation to represent the number of miles Darla can drive in x hours b.

Substitute x=5 and y = 7 for the algebraic expression 24x-3) + 6 (3y-5) and evaluate the expression

In a region there is a. 95 probability chance that a randomly-selected person of the population has brown eyes assume 12 people are randomly selected

4b - 5 = - t, solve for b

morgans gross income was 1200. How much Federal Income Tax will she pay if Federal Income Tax 12%. Round to the nearest hundredth