Book Maths Puzzle Log and Antilog

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log2 log3+1/2 log81 = ?

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Book Other Question

For each of the ff. quadratic equations, (a) identify the conic section represented
(b) write the given equation in the standard form
(c) give the properties
(d) find the x and y-intercepts and
(e) sketch the graph.

1. 2x^2-2y^2+20y-75=0

2. 9x^2+4y^2-36x+8y+31=0

I need the answers now. Thanks! Which of the following are functions Expalin your reasoning for a,b,c. Keep the definition of a fuction strongly in a mind as you do this problem. Think about whether the relationship between f{x) and x is consistnet with being a function or not and explain your reasonong?

a. f(x) = 2 if x>1
f(x) = -1 otherwise

b. f(x)= 5 if x>0
f(x) = -5 if x <0
f(x) = 5 or -5 if x=0

c. f(x)= 10/x