Find all points on the graph of the function f(x) = 2 cos(x) + cos2(x) at which the tangent line is horizontal.( (x, y) = = (1
. - 1
(smaller y-value
x
(x, y) = ( an.2
(larger y-value)
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What properties allow transformation to be used as a problem solving tool

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection