Coordinates of Q is (0, –8) and point P lies on the x-axis and the right side of y-axis. Given that the distance between PQ is 10 units, find the gradient of PQ.

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.

answer by yourhope:

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