Answer:
Answer:
f(x) = - 4x + 4
Step-by-step explanation:
Step-by-step explanation:
A linear function has the form
f(x) = ax + b, thus
f(0) = a(0) + b = 4, that is
0 + b = 4 , hence b = 4
f(3) = 3a + b = - 8 ← substitute b = 4
3a + 4 = - 8 ( subtract 4 from both sides )
3a = - 12 ( divide both sides by 3 )
a = - 4, thus
f(x) = - 4x + 4
Answer: 9 sides
Step-by-step explanation: : Since the interior angle 140 degrees, the supplement of this is the exterior angle and equal to 40 degrees. Hence the number of sides is 360/40 = 9 sides.
Without getting fancy or tricky, the greatest number is 75,431 .
The fancy, tricky answers are things like (431)⁷⁵ and others like that.
The first three can be selected in 9c3 ways which equals 84.
The second three can be selected in 6c3 ways which equals 20.
Then the third set of three can be selected in 3c3 which equals 1 way.
Now we want three things to happen, so multiply 84 and 20 and you get 1680.
The order of this does not matter so divide 1680 by 3 and you have 280!!
a. A number plus seven
b. Five minus a number
c. A number minus two times eight