Answer:
The value of
is -16.
Step-by-step explanation:
We need to evaluate
for x = -1, y = 5 and let us assume that z = 1
It can be simply done by putting the values of x,y and z in the given expression.

We know that the value of 4² = 16
So,

So, the value of
is -16.
Answer:

Step-by-step explanation:
Simplify the expression and you will get this.
hope this helps
The complete question in the attached figure
we know that
the range is the y-value of the function
so
the lowest y-value on this graph is y = -2.
the answer is
y=-2
Answer:
Total price = 240
Step-by-step explanation:
a microwave cost = 200
20% of 200 = 20/100 x 200 = 40
total price = 200 plus 20% VAT = 200 + 40 = 240