Use substitution to determine whether the given x-value is a solution of the equation.cos x + 1 = sin x, x = 
A. Yes
B. No
Answer: B
Mathematics
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Solve the proportion.
= 
A. 8 B. 7 C. 21 D. 3
Mathematics
Sketch the given exponential curve.y = 3x
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the line described, and express your answer in the specified form.Parallel to the line x - 2y = 3; passes through the point (0, 0); slope-intercept form
A. y = - 
x
B. y = 
x + 3
C. y = - 1
D. y = 
x
Mathematics
Perform the indicated operation.
+ 
A. 
B. 
C. x
D. 2
Mathematics