A decreased by the sum of b and c

A- (b+ c)

Step-by-step explanation:

A- (b+c)

that's the answer :)

b) well because you get well

(1,4) is on graph of f(x)

f(1) = 4

so 1/4 f(x)

1/4 f(1)

1/4. ×4

1

so point for function 1/4. f(x) is (1,1)