Graph the equation using the slope and y-intercept.4x + 2y = 8
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.At some point in the decimal equivalent of a rational number, some sequence of digits will start repeating endlessly. An irrational number never has an endlessly repeating sequence of digits. If the fraction 
is a rational number, which decimal equivalent digits indicate this?
A. 15 B. 13 C. 3 D. The fraction is irrational.
Divide and simplify. Assume that all variables represent positive real numbers.
A. 6
B. 2
C. 2
D. 6
Find all the second order partial derivatives of the given function.f(x, y) = xy2 + yex2 + 5
A. 
= 2yex2; 
= 2x; 
= 
= 2y + 2xex2
B. 
= yex2(1 + 2x2); 
= x; 
= 
= y + xex2
C. 
= 2yex2(1 + 2x2); 
= 2x; 
= 
= 2y + 2xex2
D. 
= 2yex2; 
= 2x; 
= 
= 2xex2
Use the product-to-sum and sum-to-product identities to prove the stated identity.sin 12? + sin 14? = cot ?(cos 12? - cos 14?)
What will be an ideal response?