Evaluate the expression 
for each choice of a, b, and c.a = 1, b = 0, c = 49
A. 7
B. 7i
C. 49i
D. i
Answer: B
You might also like to view...
The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.K ? L
A. {n, r, t} B. {c, h, n, r, s, t, w} C. {r, s, t} D. {c, h, n, w}
Write the equation of the axis of symmetry.f(x) = 6x2 - 120x + 608
A. x = 0 B. x = -8 C. x = 8 D. x = 10
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x2(x + 2)(x2 - 1)
A. x = 0, crosses the x-axis; x = -2, crosses the x-axis; x = -1, crosses the x-axis; x = 1, crosses the x-axis B. x = 0, touches the x-axis and turns around; x = -2, crosses the x-axis; x = 1, touches the x-axis and turns around C. x = 0, touches the x-axis and turns around; x = -2, crosses the x-axis; x = -1, crosses the x-axis; x = 1, crosses the x-axis D. x = 0, touches the x-axis and turns around; x = 2, crosses the x-axis; x = -1, touches the x-axis and turns around; x = 1, touches the x-axis and turns around
Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.If tan2 ? = 3, find the exact value of sec2 ?.
A. 6 B. 4 C. 2 D. 3