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Whats the inverse function of g(x)=3x^2 ? Consider f(x)=7-e^x A. Find the slope of the line tangent to the graph of f at the point where the graph crosses the x-axis B. Find the equation of the line tangent to the curve at this point? If sine wave representing AC voltage has effective value of 70 VAC, what is wave's peak value? How many grams of salt and how many mL of water do I need for this following solution: 12mL NaCl 0,06 solution? how to calculate that? 7.2y+4.7=62.3?