Find the equations of the system shown on the graphing calculator screen.10
-10
A. 5x + y = 7
x + 2y = -1
B. x + y = 1
x - 3y = -9
C. 3x + y = 9
5x - y = 7
D. 3x - y = 9
5x + y = 7
Answer: D
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Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is 1 at x = 
; absolute minimum is -1 at x = - 
B. absolute maximum is -1 at x = 
; absolute minimum is 1 at x = - 
C. absolute maximum is 1 at x = 
and - 
; absolute minimum does not exist
D. absolute maximum is 1 at x = 
; absolute minimum is -1 at x = - 
Solve the problem.Write down the first four approximations to the solution of the equation 
using Newton's method with an initial estimate of x0 = 1.
What will be an ideal response?
By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = cos n
A. L = 1, N = 394 B. L = 0, N = 237 C. L = 0, N = 394 D. diverges
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 