7. [1.84/3.5 Points] DETAILS PREVIOUS ANSWERS SCALCET9 8.1.044. MY NOTES ASK YOUR TEACHER The arc length function for a curve y = f(x), where f is an increasing function, is s(x) = v7t + 10 dt. (a) If f has y-intercept 6, find an equation for f. NIC f ( x ) = 21 (7x + 9 ) + 24 calcP 7 + - Operatio Function X (b) What point on the graph of f is 2 units along the curve from the y-intercept? State your answer rounded to 3 decimal places. Symbols Relations ( x, y ) = 0.578, | X Sets VO Vectors Trig