If f(x) = [ex + ln(x)]-13, what is f '(x)? a.-13[ex + ln(x)]-12[ex + (1/x)] b.-13[ex + (1/x)]-12[ex + ln(x)] c -13[ex + ln(x)]-1
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Answer:
Up
Step-by-step explanation:
Y= 1x^2 + 3x + 9
Y= Ax^2 + Bx + C
To determine which way a parabola opens just look at the coefficient (the number) of the x^2 - Always use the coefficient that is beside the x^2
So, if the coefficient A is positive the parabola is opening upward
if the coefficient A is negative the parabola is opening downward
