Write an inequality to describe the region consisting of all points between (but not on) the spheres of radius 5 and 9 centered at the origin
What will be an ideal response?
25
Mathematics
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For what value of the constant c is the function f continuous on (–?, ?)?
Mathematics
Solve by the substitution method.0.1x - 0.3y = 2.4-0.8x + 0.1y = 3.8
A. {(-6, -10)} B. {(x, y)| 0.1x - 0.3y = 2.4} C. {(-10, -6)} D. ?
Mathematics
Add or subtract as indicated. Simplify if necessary.
- 
A. - 
B. 
C. - 
D. -7
Mathematics
Factor by grouping.x3 + 4x2 + x + 4
A. (x2 + 4)(x + 1) B. (4x2 + 4)(x + 1) C. (x2 + 1)(4x + 4) D. (x2 + 1)(x + 4)
Mathematics