Here is a table of values for y = f(x).
x 0 5 10 15 20 25 30 35 40
ax) 5 6 7 8 9 10 11 12 13
mark the statements that are true.
a. f(5)=6
b. f(15)=8
c. the range for f(x) is all real numbers
d. the domain for f(x) is the set (5 6 7 8 10 11 12 13)

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field