Answer:
£32.76
Step-by-step explanation:
21/500=0.042
780x0.042 = 32.76
the inverse is f − 1 ( x ) = √ − x 3 − 1 , − √ − x 3 − 1
f(2) = 3(2) - 1 =6-1=5
the answer is 5
