Answer:
there isnt anything there but sure yes they are
Step-by-step explanation:
Step-by-step explanation:
The given function is :

(a) To find f(9), put x = 9 in the above expression.

(b) To find f(x+7), put x = x+7 in the above expression.

(c) To find f(-x), put x = -x in the above expression.

Hence, this is the required solution.
Desmond ran the further distance because Betty ran 2/4 and Desmond ran 3/4
The answer is A. Or 5 cm.
Hope this helps,
kwrob
Answer:
19 and 2
Step-by-step explanation:
Let x represent the first number and y represents second number
x + y = 19
x - y = 17 add two equations up
2x = 36 divide both sides by 2
x = 19 and since the difference is 17 the other number is 2