Determine the correct exponential function of the form f(x) = bx whose graph is given.
A. f(x) = 
x
B. f(x) = 5x
C. f(x) = 
x
D. f(x) = 25x
Answer: B
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Provide an appropriate response.The monthly cost of a certain texting plan is given by the function C(n) = 0.05n + 9.95, where C(n) is in dollars and n is the number of texts sent in a month. Find and interpret C(140) Monthly Cost of Texting Plan
A. 7.00; it costs $7.00 to send 140 texts in a month using a certain texting plan. B. 15.95; it costs $15.95 to send 140 texts in a month using a certain texting plan. C. 16.95; it costs $16.95 to send 140 texts in a month using a certain texting plan. D. 23.95; it costs $23.95 to send 140 texts in a month using a certain texting plan.
Find the exact value of the expression.sin 185° cos 65° - cos 185° sin 65°
A. 
B. - 
C. - 
D. 
Graph the parabola. Identify the vertex, axis, domain and range.f(x) = - 
x2 + 6
A. Vertex: (0, 6); Axis: x = 0;
Domain: (-?, ?); Range: [6, ?)
B. Vertex: 
; Axis: x = 0;
Domain: (-?, ?); Range: 
, 
C. Vertex: (0, - 6); Axis: x = 0;
Domain: (-?, ?); Range: [- 6, ?)
D. Vertex: (0, 6); Axis: x = 0;
Domain: (-?, ?); Range: [6, ?)
Find the first term and the common difference for the arithmetic sequence. Round approximations to the nearest hundredth.S9 = 108, a9 = 16
A. a1 = -120, d = 3.56 B. a1 = -120, d = 1 C. a1 = 8, d = 3.56 D. a1 = 8, d = 1