Determine whether f is continuous at c.f(x) = 
; c = 1
A. not continuous
B. continuous
Answer: B
Mathematics
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Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.4x - 0.5y - 5.0z = 2.73.4x - 6.3y - 1.3z = -3.23.7x - 1.5y - 1.7z = 9.6
A. (14.8, 9.8, 1.0) B. (7.4, 4.9, 0.5) C. (3.7, 2.5, 0.3) D. (18.5, 12.3, 1.3)
Mathematics
Solve by using the square root property.(2x - 1)2 = 121
A. x = 10, x = -12 B. x = 12, x = -10 C. x = 6, x = -5 D. x = 5, x = -6
Mathematics
Use the distributive property. Assume that variables represent nonnegative values.
(3 + 
)
A. 4
B. 3
- 7
C. 3
+ 7
D. 7
+ 3
Mathematics
Solve the inequality, giving its solution set in both interval and graph forms.25y + 5 > 5(4y + 4)
A. (3, ?)
B. (-?, 3)
C. (-?, 25)
D. (25, ?)
Mathematics