Answer: (should be) A
Step-by-step explanation: I've done the same test before
Answer:
4,005,090,807
Step-by-step explanation:
4 x 1,000,000,000 + 5 x 1,000,000 + 9 x 10,000 + 8 x 100 + 7 x 1
4 * 1,000,000,000 = 4,000,000,000
5 * 1,000,000 = 5,000,000
9 * 10,000 = 90,000
8 * 100 = 800
7 * 1 = 7
Add it all together and you get 4,005,090,807
I hope this helped. Sorry if you get this wrong.
B
x is the value of x which you input into the function and f(x) is the actual function and therefore the output. so when x=3, f(x)= -2. f(3)=-2
Attached is the complete working. Hope it helps.
