Perform the requested operation on the given function.f(x) = x + 3, g(x) = x + 2Find (f + g)(-1).
A. -7
B. -3
C. 3
D. -1
Answer: C
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Convert to an exponential equation.logwQ = 12
A. 12w = Q B. Qw = 12 C. w12 = Q D. Q12 = w
Place your graphing calculator in parametric and degree modes. Set the window for Tmin=0, Tmax=360, Tstep=1, Xmin= -1.8, Xmax=1.8, Xscl=1, Ymin= -1.2, Ymax=1.2, Yscl=1. Set the functions to X1T=cos T, Y1T=sin T. Graph the circle of radius 1 on the screen. Use the trace feature to move a short distance around the circle.For what angle T is cos T ? 0.766? (Assume 0° ? T ? 90°.)
A. 40° B. 36.832° C. 50° D. 0.766°
Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.2 = e3 - x
A. x ? 2.301 B. x ? 1.307 C. x ? 2.693 D. x ? 1.699
Find the approximate equation of the line that passes through the two points. Write the equation in slope-intercept form. Round the slope and the constant term to two decimal places.(3.2, 3.5) and (2.5, 4.4)
A. y = -0.78x + 5.52 B. y = 1.09x + 1.76 C. y = 1.29x + -0.61 D. y = -1.29x + 7.61