88 Part I: The Questions
644. y = 2x, y = 8 – x
2
645. x = 2 – y
2
, x = y
2
– 2
646. y = 14 – x
2
, y = x
2
– 4
647. x = y, 4x + y
2
= –3
648. x
y
= +
1
, x
y
=
+
3
3
649. y x
= − π
2
, y = cos x, x = 0, x = π
650. y = x
3
– x, y = 2x
651. x + y = 0, x = y
2
+ 4y
652. x y
=
+3, x
y
=
+ 3
2
Areas between Curves
636–661 Find the area of the region bounded by the
given curves. (Tip: It’s often useful to make a rough
sketch of the region.)
636. y = x
2
, y = x
4
637. y = x, y x
=
638. y = cos x + 1, y = x, x = 0, x = 1
639. x = y
2
– y, x = 3y – y
2
640. x + 1 = y
2
, x
y
=
, y = 0, y = 1
641. x = 1 + y
2
, y = x – 7
642. x = y
2
, x = 3y – 2
643. x = 2y
2
, x + y = 1