2. A rectangular room measures 12 m by 7
m. What is the area of this room?
1.38 sq m.
2. 19 sq m.
3. 84 sq m.
4.25 sqm

Answer 3

Step-by-step explanation:

Formula for area of a rectangle:

12 is the length

7 is the width

(It can also be the other way around.)

y = - 6

step-by-step explanation:

given the point (- 2, y) lies on the graph then it is a solution of it's equation.

substitute x = - 2 into the equation for value of y

y = 3(- 2) = 3 × - 2 = - 6

the point on the graph is (- 2, 6)

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.