Suppose an economist determines that

where y = R(x) is government revenue in tens of millions of dollars for a tax rate of x percent, with y = R(x) valid for 50 … x … 100. Find the revenue for each tax rate. Round to the nearest tenth if necessary.

(a) 50% 

(b) 60% 

(c) 80% 

(d) 100%

Transcribed Image Text:

60х — 6000 х — 120 R(x)