Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.sec ? = - 
, sin ? > 0 Find tan 2?.
A. 
B. 
C. 
D. 
Answer: D
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Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. x-intercept: 
, no y-intercepts ;
C. No x-intercepts, y-intercept: 
;
D. No x-intercepts, y-intercept: 
;
Solve the given third- or fourth-order differential equation.D4y + 4 D3y - 9 D2y - 36 Dy = 0
A. y = c1e3x + c2e-3x + c3e4x B. y = c1 + c2e3x + c3e-3x + c4e4x C. y = c1 + c2e3x + c3e-3x+ c4e-4x D. y = c1e3x + c2e-3x+ c3e4x
Multiply and write the product as a mixed number in simplest form.4
? 5
A. 9
B. 100
C. 20
D. 21
Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.(x7)-7
A. - x49
B. -7x49
C. -7x7
D. 