Give the domain and range for the rational function. Use interval notation.f(x) = 
A. Domain: (-?, -4) ? (-4, ?); Range: (-?, 0) ? (0, ?)
B. Domain: (-?, -4) ? (-4, ?); Range: (-?, ?)
C. Domain: (-?, -4) ? (-4, ?); Range: (0, ?)
D. Domain: (-?, 4) ? (4, ?); Range: (-?, 0) ? (0, ?)
Answer: C
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? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.sin ? = 
, cos ? = 
. Find tan ?.
A. 
B. 
C. 
D. 
Solve the problem.The March 1 unpaid balance in an account was $190. On March 7, a payment of $75 was made. The finance charge rate was 1.7% per month of the average daily balance. Find the new balance at the end of March.
A. $137.02 B. $116.70 C. $117.14 D. $117.20
Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 2i + j, w = i - 2j
A. orthogonal B. parallel C. neither
Find the equation for the line described.the line having y-intercept (0, 5) and parallel to 2x + y = 10
Fill in the blank(s) with the appropriate word(s).