1. If f(x) = sin x and g(x) = cos x, what is the range of (f+ g)(x)? a. {y R-1≤ y ≤1} € b. {yR|0y≤1} 2. Suppose f(x) = x² and g(x) = x + 56. What are the x-intercepts of the graph of (f-g)(x)? -8 and -7 a. b. c. {v=R | 0 ≤ y ≤√√²} d. {v€ R+ √²≤ y ≤√2} -8 and 7 C. -7 and 8 d. 7 and 8

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