Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.sec(? - 13°)
A. csc(77° - ?)
B. cos(103° - ?)
C. sec(167° - ?)
D. csc(103° - ?)
Answer: D
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Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent.Allan borrowed $4900 from his father to buy a car. He repaid him after 5 months with interest of 10% per year. Find the total amount he repaid.
A. $5063.33 B. $5390.00 C. $204.17 D. $5104.17
Solve the logarithmic equation.ln x = 2Give your answer in exact form.
A. 100 B. ln 2 C. 2e D. e2
Find an equation for the parabola described.Vertex at (1, 6); focus at (1, 5)
A. y = 
(x - 6)2 + 1
B. y = - 
(x - 1)2 + 6
C. y = 
(x - 1)2 + 6
D. y = - 
(x - 6)2 + 1
Factor completely. If the polynomial is prime, state this.9 + 6x + x2
A. (x + 3)(x - 3) B. (x + 3)2 C. Prime D. (x - 3)2