SECTION 1.4 Exercises In Exercises 1-4, find formulas for the functions f +8, f - g, and fg.
Give the domain of each.
1. f(x) = 2x - 1; g(x) = x2

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d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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