What is equivalent to 4.321 × 10−4 ? a) 43210 b) 4321 c) 0.004321 d) 0.0004321

Which statement best describes the polynomial

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints