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\fTo easily calculate the area, we will use a differential area element. The expression for the area equals / [( . evaluated from to . Evaluating the definite integral, the area equals square units. Blank 1: Blank 2: Blank 3: Blank 4: Blank 5: Blank 6: Blank 7: Blank 8: Blank 9: Blank 10: Blank 11: Blank 12: Blank 13: Time left for thisQuestion 18 (13 points) Let us calculate the area of the closed region bounded by y- = 4y - x and y = x + 4. The first equation is a opening to the while the second is a whose slope is The two graphs intersect at (_ _) and ( _). The first point must contain the lower limit and the second point contains the upper limit. To easily calculate the area, we will use a differential area element. The expression for the area equals J ) - . evaluated from to Evaluating the definite integral, the area equals square units. Blank 1: Blank 2: Blank 3: Blank 4: Blank 5: Blank 6: Blank 7: Blank 8: Time left for this Blank 9: assessment: 144:17 Blank 10:Question 19 (1 point) Calculate / 3sinx . cos xdx. (a) 3sinxcos x . In 3 (b) 3cosx . In 3 (c) 3sinx . In 3 (d) 3sinx / In 3 (e) 3cosx / In 3 A O b B O C C O d D Oe E