3x-2 4 2、
4) Find x if YI=-x+ find x if find x if YI = 4/5x*2/5 Nd IU=3x-2over5and IU
51 5
X
Y
IfIuy
2
T
W
する

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?