If z = x2 − xy + 8y2 and (x, y) changes from (1, −1) to (1.04, −1.05), compare the values of δz and dz. (round your answers to four decimal places.)

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980

If (17, 4) is an ordered pair of the inverse of f(x), which of the following is an ordered pair of the function f(x)? a. (17,4) b. (4.17) c. (4,0) d. 0,17)

The measure of an angle is 117°. what is the measure of a supplementary angle?