The graph of which function is vertically stretched by a factor of 3 and translated 4 units right from the graph of the parent function?

1. log5(3x + 4)
2. 3(5^x + 4)
3. 5^3x-4
4. 3log5(x - 4)

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Find an equation for the linear function which has slope -10 and x-intercept -7

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean