The height of the pinwheel firework can be described by the equation h = -t 2+ 14t + 15,where h represents height and t gives the number of seconds since the firework was launched. When will the pinwheel firework hit the ground? Justify your reasoning mathematically. *
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Which expression is equivalent to 5r6141 2r+st6

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %