E2020 question and answer

Complete the table of values for the function
f(x) =
1
x
.

x f(x)
−1 a
−0.1 b
-0.01 c
−0.001 d
x f(x)
0.001 e
0.01 f
0.1 g
1 h

a =
⇒ -1

b =
⇒ -10

c =
⇒ -100

d =
⇒ -1000

e =
⇒ 1000

f =
⇒ 100

g =
⇒ 10

h =
⇒ 1

Which graph shows a function with a range of all real numbers greater than or equal to -1

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?