The diagram shows triangle ABC. Angle Abc is NOT an obtuse angle. Find the greatest value of x. You must show all your working. Note:your finial line should say "the greatest value of x is..."
(3 Marks)

The largest possible value of x is 15.

Step-by-step explanation:

Given that the triangle is not obtuse, we know that the widest angle that the three values can add up to is 90 degrees.

We know that that angle is equal to:

30 + 3x + x

so to get a maximum, we can say that it equals 90 degrees and solve for x:

30 + 3x + x = 90

4x = 60

x = 15

So the largest possible value of x is 15.

d is correct

step-by-step explanation:

part a

x     y

0     8

1     7.5

2     7

3     6.5

4     6

5     5.5  

for every hour i deducted .5 inches from the length of the candle

part b

it is a function because for every x value there is only one y value

part   c

for every x value there is only one y value

x       y

0       8

1       7.6

2       7.2

3       6.8

step-by-step explanation: