Answer:
(-4,1)
Step-by-step explanation:
Ordered pair (-4,1) means that x = -4 and f(x) = 1
Ordered pair (1,-4) means that x = 1 and f(x) = -4
From the table, we can see that the function is already defined for x = -4, but it is not defined for x = 1. So, the point (1,-4) can be included into the function, but the point (-4,1) cannot.
Answer:
1000
Step-by-step explanation:
The population of the suburb after each decade d is given by the equation as follows :

We need to evaluate the expression for d = -2.
Put d = -2 in the above equation. So,

So, if d = -2, then the population of the suburb is equal to 1000.
Answer:
10/√2
To rationalize multiply the numerator and denominator by the surd in the denominator
10/√2×√2/√2
=10√2/2
Answer:
Since m<BCA=m<CAB=55°, it follows that |AB|=|AC|, this means triangle ABC is isosceles.
Step-by-step explanation:
In the diagram AB is parallel to DC.
This means that, by the alternate interior angles theorem?

Also the sum of angles in a triangle should be 180° .


Since m<BCA=m<CAB=55°, it follows that |AB|=|AC|
Hence triangle ABC is isosceles.