Use a calculator to help solve the equation. Round approximate answers to three places.-69.178x = -647.306
A. {0.107}
B. {44,779.334}
C. {-578.128}
D. {9.357}
Answer: D
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Solve the differential equation.cos x 
+ y sin x = sin x cos x
A. y = sin x ln |sec x| + C sin x B. y = cos x ln |sec x| + C cos x C. y = cos x ln |sec x + tan x| + C cos x D. y = cot x + C cos x
Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. Yes B. No
Translate to an equation and solve. 60 is what percent of 48?
A. 130% B. 125% C. 1.25% D. 80%
Find all the local maxima, local minima, and saddle points of the function.
A. f(0, 0) = 641, local maximum; f(2, 5) = 0, local minimum; f(2, -5) = 0, local minimum;
local minimum; f(-2, -5) = 0, local minimum
B. f(0, 0) = 641, local maximum; f(-2, -5) = 0, local minimum
C. f(0, 0) = 641, local maximum; f(0, 5) = 16, saddle point; f(2, 0) = 625, saddle point;
f(2, 5) = 0, local minimum; f(-2, -5) = 0, local minimum
D. f(0, 0) = 641, local maximum; f(0, 5) = 16, saddle point; f(0, -5) = 16, saddle point;
f(2, 0) = 641, saddle point; f(2, 5) = 0, local minimum; f(2, -5) = 0, local minimum;
f(-2, 0) = 625, saddle point; f(-2, 5) = 0, local minimum; f(-2, -5) = 0, local minimum