D Question 7 2 pts Use differentials to find the approximate value of y: (2x - 1)* when x = 0.98. O 0.84 O (E) None of the choices O 0.98 O 0.88 O 0.94Question 8 2 pts Use differentials to estimate the amount of paint needed to applya coat of paint 0.05 cm thick to a hemispherical dome with diameter 50 m. Estimate the maximum possible error in computing the surface area of the hemisphere. 0 0.03251: m2 o 0.051! m2 0 (E) None of the choices 0 0.0251: m2 0 0.01251: n12