19 Suppose that f is continuous on [1,5] and f(r) 2 0 if and only if...

 

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19 Suppose that f is continuous on [1,5] and f(r) 2 0 if and only if 2 <a < 3. If |f(x)| dr = f(r). then f(=) dz = (a) 3 (b) 2 (c) 1 (d) -1 (e) none of these Question 20 Suppose that lim,(f(x) + r²) = l for some number l. Then lim,0 T f(z) is %3D (a) -1 (b) 1 (c) 0 (d) o (e) none of these 19 Suppose that f is continuous on [1,5] and f(r) 2 0 if and only if 2 <a < 3. If |f(x)| dr = f(r). then f(=) dz = (a) 3 (b) 2 (c) 1 (d) -1 (e) none of these Question 20 Suppose that lim,(f(x) + r²) = l for some number l. Then lim,0 T f(z) is %3D (a) -1 (b) 1 (c) 0 (d) o (e) none of these