Find the domain and range of the function.y = x - 2
A. D = (-?, ?), R = (-?, ?)
B. D = [2, ?), R = [0, ?)
C. D = [0, ?), R = [-2, ?)
D. D = (-?, ?), R = [0, ?)
Answer: A
Mathematics
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = 7x + 11
A. cos (7x + 11) B. - cos (7x + 11) C. - 7 cos (7x + 11) D. 7 cos (7x + 11)
Mathematics
Find the product.
x2y3(-14xy)
A. -8x2y3 B. 8x2y3 C. -8x3y4 D. 8x3y4
Mathematics
Find the domain of the rational function.f(x) = 
A. {x|x ? -3, 5} B. {x|x ? -5, 3} C. {x|x ? -5, -3, 3} D. all real numbers
Mathematics
Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 8x + 16 
A. vertex (4, 0)
intercepts (0, 16), (4, 0)
B. vertex (-4, 16)
intercept (0, 32)
C. vertex (4, 16)
intercept (0, 32)
D. vertex (-4, 0)
intercepts (0, 16), (-4, 0)
Mathematics