Verify the identity.(sec x - tan x)(sec x + tan x) = 1
What will be an ideal response?
(sec x - tan x)(sec x + tan x) = sec2x - tan2x = 1
Mathematics
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Use the quadratic formula or graphing methods to solve the inequality.8x2 < 8x + 8
A. x < 
? -0.618 or x > 
? 1.618
B. x < 
? -0.618
C. x > 
? 1.618
D. 
? -0.618 < x < 
? 1.618
Mathematics
Write interval notation for the graph.
A. (-?, -4] B. (-?, -4) C. [-4, ?) D. (-4, ?)
Mathematics
Find an equation of variation for the given situation.y varies inversely as x and y = 0.5 when x = 0.9
A. y = 
B. y = 
C. y = 
D. y = 0.56x
Mathematics
Provide an appropriate response.The first-quadrant region bounded by y = 
, the x-axis, and the y-axis is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of the solid.
What will be an ideal response?
Mathematics