First make x the subject of the relation:-
f(x) = 2x - 4
2x = f(x) + 4
x = (f(x) + 4) / 2
Now replace x by the inverse f-1(x) and f(x) by x :-
f-1(x) = (x + 4) / 2
Answer:
Total temperature change = -32.48 degrees
Step-by-step explanation:
Over 11.2 hours, the temperature changed -2.9 degrees each hour.
Total time elapsed = 11.2 hour.
Temperature change per hour = -2.9 degrees
Total temperature change = Total time elapsed x Temperature change per hour
Total temperature change = 11.2 x -2.9 = -32.48 degrees
So temperature is reduced by 32.48 degrees in 11.2 hours.
Total temperature change = -32.48 degrees
Answer:
plot points (0, -1) and (3, 0)
Step-by-step explanation:
compare the given equation to
y=mx +b where b is the y-intercept
y= 1/3 x -1 so thhe y-intercept is at point (0, -1)
to find the x-intercept make y=0
x/3 -1 =0
x/3 =1
x= 3 so x-intercept is at point (3, 0)
