Consider the function h(x)=(1-4x^2)/x. a)For what values of x is h decreasing?
b)For what values of x is the graph of h concave downward?
c) Determine, if any, a point of inflection for the function h

x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1

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