Answer:
Step-by-step explanation:

Answer:
B
Step-by-step explanation:
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
Answer:
The letter D represents 3.25. this is because on the number line, the dot for the D is placed 2 lines and a little more, making it the closest to 3.25
Answer:
Im not sure but i think 2 is the answer
Step-by-step explanation:
Answer:
2n - 5 = 7
Step-by-step explanation:
Let the number = n
Twice a number = 2n
5 less than twice a number = 2n - 5
2n - 5 = 7