In one week, 390 people answered a telephone survey. The histogram shows their ages.
Ages of People Who Answered a Telephone Survey
200
150
Number of People
100
50
26-30 31-35 36-40 41-45 46-50
Age (years)
How many people who answered the survey were
35 years old or younger?
А
150
B
60
C
90

150 people

Step-by-step explanation:

First, look over the chart and find the rows that have listed as 26 - 30 and 31 - 35.

Find out how high the row goes by looking at the number on the side of the gram.

26 - 30 goes to 60

31 - 35 goes to 90

Then add the 2 numbers together and you will find your total

60 + 90 = 150 people

see attached

step-by-step explanation:

given the function as;

write the equation replacing f(x) with y

form   and fill a table containing values of y with corresponding values of x

you can take a range for   values of x as -3≤x≤3

solving for x=-3

for x=-2

repeat the same procedure to get the values of y for the remaining ,x=-1 to x=3

plot the values of y against values   of x and obtain the following graph